幾何
三角形、圓、解析幾何與證明題。
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in the figure below, g is between e and h, and f is the midpoint of (ov…
$3$
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which rule explains why these triangles are similar? h 49° 100° g f r 1…
AA
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answer each question and round your answer to the nearest tenth. 9) a m…
9) Let the width of the model house be $x$ inches. The scale is $1$ in : $2$ ft. The real - house is 25 ft wide. We set up a proportion $\frac{1}{2}=\frac{x}{25}$. Cross - multipl…
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10. jada drew a net for a polyhedron and calculated its surface area. a…
a. Triangular prism b. Without knowing Jada's calculations, it's hard to say exactly. But possible mistakes could be incorrect use of area - formulas for rectangles or triangles, …
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find the area of the figure. round to the nearest tenth, if necessary. …
$4480$
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find the area of the figure. round to the nearest tenth, if necessary. …
$51.5$
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9. here are two three - dimensional figures. a b tell whether each of t…
a. Both b. Both c. Neither d. Figure A e. Figure B f. Figure B g. Both h. Figure A
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activity 1 multiply the decimal numbers together. choose the correct an…
(a) 0.72 2.
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complete the sentence. a is a type of quadrilateral. circle rhombus tri…
rhombus
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draw the image of △abc under the translation (x,y)→(x,y + 3).
Plot points $A'(-3,0)$, $B'(0,3)$ and $C'(-6,5)$ and connect them to get the translated triangle.
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graph the image of square jklm after a rotation 90° counterclockwise ar…
Graph the new square with vertices obtained by applying the $(x,y)\to(-y,x)$ rule to the original vertices of square $JKLM$.
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volume and surface area of three - dimensional shapes. a sphere has a r…
1766
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7. a rectangular prism is 4 units high, 2 units wide, and 6 units long.…
88
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3.2 mr. msomi wants the roof of his house to be painted. the roof needs…
3.2.1: 13.125 liters 3.2.2: Buying 1 - liter cans is more cost - effective.
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cut the parallelogram into thirds. connect two dots to make a cut.
Connect the corresponding points on the two parallel sides that divide them into thirds to make the cuts.
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are these triangles similar? s t r 54° 94° f g h 49° 94° yes no write a…
yes $\triangle SRT\sim\triangle FHG$
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graph the image of kite abcd after a dilation with a scale factor of 5,…
Plot the points $A'(0,-10)$, $B'(10,0)$, $C'(0,10)$ and $D'(-10,0)$ and connect them to get the dilated kite.
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4.3.5 stepping stones given the following graph, determine the slope of…
The slope of $l_1$ is $1$. The slope of $l_2$ is $-1$.
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what is the perimeter of the rectangle? 6 cm 2 cm centimeters
16
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2) a telephone booth that is 8 ft tall casts a shadow that is 4 ft long…
The height of the lawn ornament is 4 ft. The distance between Riverside and Milton is 63 km.
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find all points having an x - coordinate of 3 whose distance from the p…
$(3,-3),(3,-9)$
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7) a map has a scale of 2 in : 6 mi. if clayton and centerville are 10 …
30 mi
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graph the image of parallelogram bcde after a dilation with a scale fac…
Graph the parallelogram with vertices $B'(-9,-9)$, $C'(-6,-3)$, $D'(3,9)$, $E'(6,3)$ on the given coordinate grid.
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a rectangular rug is 9 feet long and 6 feet wide. what is the rugs area…
54
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graph the image of rectangle defg after a dilation with a scale factor …
Graph the rectangle with vertices \(D'(-5,-10)\), \(E'(5,-10)\), \(F'(5,10)\), \(G'(-5,10)\)
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graph the image of △abc after a rotation 180° counterclockwise around t…
Graph the points $A'(-3,6)$, $B'(-7,6)$ and $C'(-3,0)$ and connect them to get the image of $\triangle ABC$ after a 180 - degree counter - clockwise rotation around the origin.
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5) a model house is 12 cm wide. if it was built with a scale of 3 cm : …
The real - house is 16 m wide. The real cities are 30 mi apart.
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10. what is the volume of a crayon box with a base area of 18 square in…
72 cubic inches
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which triangle is obtuse?
The triangle with angles 35°, 44°, 101° is obtuse.
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plot each point and form the right triangle abc. verify that the triang…
$d(A,B)=\sqrt{85}$, $d(A,C)=4\sqrt{5}$, $d(B,C)=\sqrt{5}$, Area $ = 10$
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greg installed a circular drain that has a diameter of 4.8 inches. ques…
$15.1$
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class e general knowledge question #42 / 50 if you are preparing to tow…
A. At least one brake light if the trailer hides the brake lights on your vehicle.
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which shape is a parallelogram?
The first three shapes are parallelograms.
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graph the image of parallelogram stuv after a dilation with a scale fac…
Graph the parallelogram with vertices \((-12,-8)\), \((-4,-8)\), \((4,4)\), \((-4,4)\) on the given coordinate - plane.
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question 3 3.1 a builder is completing 75 low - cost houses to reduce t…
3.1.1: The radius is the distance from the center of a circle to its circumference, and the diameter is a line segment through the center with endpoints on the circumference, and …
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graph the image of rectangle rstu after a dilation with a scale factor …
# Explanation: ## Step1: Recall dilation formula If a point $(x,y)$ is dilated with a scale - factor $k$ centered at the origin, the new point $(x',y')$ is given by $(x',y')=(k x,…
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the wilson familys back yard is a rectangular plot that has a length of…
4400
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graph the image of square defg after a dilation with a scale factor of …
The new square has vertices $D'(-12,-8)$, $E'(8,-8)$, $F'(8,10)$, $G'(-12,10)$ which should be graphed on the given coordinate grid.
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graph the point (-4, 8) on the coordinate plane.
The point (-4, 8) is graphed on the coordinate plane by moving 4 units left from the origin along the x - axis and then 8 units up along the y - axis.
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are these triangles similar? no yes
Yes
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graph the point (-1, 2.5).
Mark the point by moving 1 unit left along x - axis and 2.5 units up along y - axis from the origin.
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graph the image of △stu after a rotation 270° counterclockwise around t…
Graph the triangle with vertices $S'(2,0)$, $T'(5,0)$, $U'(7, - 8)$.
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lawn lalita has to buy grass seed for her lawn. her lawn is in the shap…
$295$ $ft^2$
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the foundation of a building is in the shape of a rectangle, with a len…
27
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7 practice problems 2 triangle r is a right triangle. can we use two co…
Yes. Place two non - isosceles right - triangles with their hypotenuses touching each other. The resulting figure has opposite sides parallel and equal, and it is not a square sin…
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8. show and explain how you would find the volume of this solid figure.…
\(470\mathrm{cm}^3\)
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justice garcia 7 practice problems 2 triangle r is a right triangle. ca…
Yes. Place the two right - triangles such that their hypotenuses are adjacent to each other. If the right - triangle is not isosceles, the resulting parallelogram will not be a sq…
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find the area of the figure. round to the nearest tenth, if necessary
$198$
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question use the line tool to graph the line passing through (3, 1) who…
Graph a straight line passing through the points $(3,1)$ and $(6,2)$ using the line - tool on the given graph.
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find the distance d(p1, p2) between the points p1 and p2. p1=(1, -2) p2…
$4\sqrt{2}$
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graph the image of parallelogram tuvw after a reflection over the line …
Graph the points $T'(-5,-4)$, $U'(2,-4)$, $V'(3,-10)$ and $W'(-4,-10)$ and connect them to get the reflected parallelogram.
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graph the image of △abc after a rotation 180° counterclockwise around t…
Graph $\triangle A'B'C'$ with vertices $A'(-2,8)$, $B'(-6,8)$ and $C'(0,4)$.
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what is the ratio of squares to triangles? write your answer as a fract…
$\frac{2}{2}$
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what is the ratio of rectangles to total shapes? write your answer as a…
3/7
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what is the ratio of circles to squares? write your answer as a fractio…
$\frac{1}{1}$
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what is the ratio of triangles to total shapes? write your answer as a …
$\frac{2}{3}$
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2. moe, larry, and curly went to del taco. moe bought three tacos, two …
The cost of a taco is $\$1.50$, the cost of a burrito is $\$2.00$, and the cost of a nacho is $\$1.00$. ### Question 3
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what is the ratio of triangles to total shapes? write your answer as tw…
3:5
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38. if $overline{sv} perp overline{rt}$, $mangle rsu=(17x - 3)^{circ}$,…
$x=\frac{94}{23}$, $m\angle RSU=\frac{1529}{23}\approx66.48^{\circ}$, $m\angle UST=\frac{541}{23}\approx23.52^{\circ}$
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find the area of the figure. round to the nearest tenth, if necessary.
$210$ m²
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what is the ratio of circles to stars? write your answer as a fraction.…
$\frac{4}{1}$
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homework activity 1 multiply across and simplify your answer. 1. $\frac…
### Activity 1 1. **Explanation**: Multiply numerators and denominators. - $\frac{1}{2}\times\frac{3}{4}=\frac{1\times3}{2\times4}=\frac{3}{8}$ 2. **Explanation**: Multiply across…
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rotation 180° about the origin a coordinate: b coordinate: c coordinate:
$A'$ coordinate: $(-1,-1)$ $B'$ coordinate: $(-1,-3)$ $C'$ coordinate: $(-4,-1)$
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graph the image of △fgh after a rotation 90° counterclockwise around th…
Graph the points $F'(0,5)$, $G'(-6,5)$ and $H'(-1,3)$ and connect them to get the image of $\triangle FGH$ after a 90 - degree counter - clockwise rotation around the origin.
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question use the line tool to graph the line passing through (3,1) whos…
Graph a line passing through the points $(3,1)$ and $(6,2)$ on the given coordinate - plane.
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5. the length of a rectangle is 3 inches more than its width. if the pe…
Let the width of the rectangle be \(x\) inches. Then the length is \(x + 3\) inches. The perimeter formula of a rectangle is \(P=2(l + w)\). Given \(P = 42\) inches. \[ \begin{ali…
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weavers are making a carpet from a scale drawing. the carpet will be 10…
Length: 10 inches, Width: \(\frac{50}{7}\approx7.14\) inches
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it has undergone a combination of non - rigid transformations. it has u…
It has undergone a combination of non - rigid transformations.
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use the line tool to graph the line passing through (3,2) whose slope i…
Follow the steps above to graph the line on the provided grid using the line - tool.
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10. find m∠1. 44° 53° 76° 69° 63°
There is no correct option among the given ones as the correct measure of \(m\angle1\) is \(83^{\circ}\)
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a triangle is translated 4 units to the left and 3 units down. what is …
5
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multiply across and simplify your answer. 1. $\frac{1}{2}cdot\frac{3}{4…
## Activity 1 1. $\frac{3}{8}$ 2. $\frac{8}{15}$ 3. $\frac{1}{3}$ 4. $\frac{1}{5}$ ## Activity 2 1. 4 2. $\frac{8}{3}$ 3. 16 ## Activity 3 1. outlier 2. median 3. mode 4. maximum;…
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reflect the figure over the line y = 1/3x + 1. plot all of the points o…
Use the transformation formulas $x_1=\frac{4}{5}x_0+\frac{3}{5}(y_0 - 1)$ and $y_1=\frac{3}{5}(x_0 + 1)+\frac{4}{5}y_0$ for each vertex $(x_0,y_0)$ of the original figure to find …
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9. find the value of x. 24 55 26 99
There is an error as the correct value of $x$ calculated using the exterior - angle property of a triangle ($4x-5=x + 55$ gives $x = 20$) is not in the provided options. If we hav…
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1. model with mathematics martines town is building a volleyball court …
A. The equation for the proportional relationship is $y = 22.5x$. B. Without knowing the width of the scale - drawing, we can't find the exact length and width values. But if the …
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9. find the value of x. x° 55° (4x - 5)°
20
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8. classify the triangle by its angles and sides. 5 in. 6 in. 8 in. acu…
obtuse scalene
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reflect the figure over the line y = 1/3x + 1. plot all of the points o…
# Explanation: ## Step1: Recall reflection formula The formula to reflect a point $(x_0,y_0)$ over the line $y = mx + c$ is given by: Let $m=\frac{1}{3}$ and $c = 1$. First, find …
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graph the image of square stuv after a rotation 270° counterclockwise a…
Graph the points $(3,0)$, $(3,-7)$, $(10,-7)$, $(10,0)$ and connect them to get the image of square STUV after 270 - degree counter - clockwise rotation around the origin.
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7. find the value of x. (3x + 1)° (2x + 4)° 17 52 38 85
17
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6. jared built the solid figure below. jareds figure cara built a figur…
21
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a solution is graphed for the inequality 3x - 24 ≤ - 2(2x - 30). descri…
A. La región a la izquierda del círculo debe ser sombreada. B. El círculo abierto debe ser reemplazado con un círculo cerrado.
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6. find m∠1. 75° 75° 30° 55° 35° 40°
30°
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5. which statement describes the volume of the rectangular prism pictur…
c. The volume is greater than 16 cubic units
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5. find m∠1. 123° 57° 83° 132°
123°
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4. find the value of x. 30° (3x - 10)° x° 35 40 110 80
40
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3. find m∠1. 38° 42° 78° 52°
$52^{\circ}$
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4. sherise purchased a planter with a rectangular shaped base with an a…
960
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2. find m∠1. 32° 120° 80° 88° 60° 73°
$88^{\circ}$
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3. an inground pool measures 10 meters long by 9 meters wide by 3 meter…
180 cubic meters
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1. classify the triangle by its angles and sides. obtuse isosceles acut…
B. acute isosceles
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what is a name for the marked angle? choose 1 answer: a ∠ead b ∠dac c ∠…
D. \(\angle CAE\)
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identify each as a translation, rotation or reflection. 13) 14) 15) 16)…
# Explicación: ## Paso 1: Analizar figura 13 La figura se gira en torno a un punto. Es una rotación. ## Paso 2: Analizar figura 14 La figura se refleja sobre un eje. Es una reflex…
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what is a name for the marked angle? choose 1 answer: a ∠ead b ∠dac c ∠…
D. \(\angle CAE\)
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identify each as a translation, rotation or reflection. 9) 10) 11) 12) …
# Explicación: ## Paso 1: Analizar figura 9 Observamos que la figura se ve reflejada en una línea vertical. ## Paso 2: Analizar figura 10 La figura parece rotada en relación a un …
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ure of ∠x? essarily drawn to scale. b 156° x° a o c
$24$
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question the triangle on the right is a scaled copy of the triangle on …
\(\frac{9}{11}\)
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re two parallel lines with a third line intersecting them.
\(x = 31\)
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the area of a square patio is 196 square feet. how long is each side of…
14
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below are two parallel lines with a third line intersecting them. x = □
40