Géométrie
Triangles, cercles, géométrie analytique et démonstrations.
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19. what does loyalty mean? a. giving or showing firm and constant supp…
19. a. giving or showing firm and constant support or allegiance to a person or institution. 20. The ability to assess and initiate things independently. 21. a. Identify; b. sourc…
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is there more wood in a 40 - foot - high tree trunk with a radius of 2.…
There is 636.8 cubic feet of wood in the 30 - foot - high tree and 607.9 cubic feet of wood in the 40 - foot - high tree. There is more wood in the 30 - foot - high tree.
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solve the right triangle shown in the figure. a = 28.5, c = 52.4 a ≈ (r…
$A\approx32.9^{\circ}$ $B\approx57.1^{\circ}$ $b\approx43.97$
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solve the right triangle shown in the figure. b = 17.3°, b = 37.5 a = □…
$A = 72.7^{\circ}$ $a\approx119.24$ $c\approx126.09$
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consider a ball with a radius of approximately 5 inches and a second ba…
The surface - area - to - volume ratio of the smaller ball is $0.6$. The smaller ball has the larger surface - area - to - volume ratio.
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10. find the area
$16$ $cm^2$
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9. find the area
$12$ $cm^{2}$
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consider a ball with a radius of approximately 3 inches and a second ba…
The surface - area - to - volume ratio for the smaller ball is 1.00. The surface - area - to - volume ratio for the larger ball is approximately 0.33. The surface - area - to - vo…
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the equation of a circle is given below. identify the radius and center…
Radius: $2$ Center: $(3,-4)$
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the area of a rectangle is a = 36x^{2}-24x square inches. what are thre…
A. 6x inches by 6x - 4 inches D. 2x inches by 18x - 12 inches E. 4x inches by 9x - 6 inches
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for each pair of sentences, circle the subject, underline the action ve…
12. Subject: The Inca; Action - verb: divided; Linking - verb: were 13. Subject: The Inca Empire; Action - verb: began; Linking - verb: are 14. Subject: The tropics; Linking - ver…
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13 cd2 dans sa cour rectangulaire de 9 m sur 12 m, stéphane a aménagé u…
$4.5$ m
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7. sketch the net of a triangular pyramid.
Sketch 4 triangles connected in a way that they can be folded to form a triangular pyramid.
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6. find the surface area of the square pyramid.
56 square feet
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the equation of a circle is given below. identify the radius and center…
Radius: 4 Center: $(-4,2)$
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5. the area of a triangle is 24 square inches. if the base is 8 inches,…
6 inches
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4. find the area:
$60$ $cm^{2}$
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3. find the perimeter:
36 feet
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for problems 2 - 7, find the slope of the line.
Problem 2: $\frac{3}{5}$ Problem 3: $\frac{1}{20}$ Problem 4: $5$ Problem 5: $\frac{4}{5}$
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the figure on the right is a scaled copy of the figure on the left, tho…
The side that corresponds to segment $RT$ is $MO$. The scale factor is 2.
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solve the right triangle shown in the figure. a = 28.7, c = 50.9 a ≈ □°…
$A\approx34.2^{\circ}$ $B\approx55.8^{\circ}$ $b\approx42.03$
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solve the right triangle shown in the figure. b = 16.5°, b = 31.5 a = °…
$A = 73.5^{\circ}$ $a\approx106.42$ $c\approx110.92$
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119. if your vehicle begins to hydroplane, you should: a. brake hard an…
119. D. Ease off of the accelerator pedal, slowly steer the car where you want it to go, and brake gently once your tires regain their grip on the road. 120. B. No. 121. A. Correc…
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find the mid - point m of the line segment joining the points c=(1,2) a…
$M=(-2,-1)$
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1. consider the graph of line m. a. which pair of points can be used to…
a. A. (-8,4) and (-4,5), B. (-8,4) and (0,6), C. (-8,4) and (8,8), D. (-4,5) and (0,6), E. (0,6) and (8,8) b. (Choose (-8,4) and (0,6) to draw a slope - triangle. In a graph, plot…
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calculate the distance between the points k=(2, 0) and m=(-2, 8) in the…
$4\sqrt{5}$
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calculate the distance between the points q=(1, -9) and h=(9, -3) in th…
$10$
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19. what does loyalty mean? a. giving or showing firm and constant supp…
19. a. giving or showing firm and constant support or allegiance to a person or institution. 20. Taking action independently or starting something new. 21. a. Identify; b. source;…
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10. the formula for perimeter of a rectangle is p = 2l + 2w. use the fo…
$0.6$ m
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find the slope of the line graphed below.
$-\frac{5}{2}$
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a teacher wrote the following number on the board. one digit is circled…
C. The value of the circled digit is $\frac{1}{10}$ of the value of the underlined digit.
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from unit 1, lesson 4 find the area of the parallelogram. show your rea…
18 square units
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from unit 1, lesson 4 find the area of the parallelogram. show your rea…
18 square units
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graph the inequality below on the number line. x > - 3
On the number line, place an open circle at \(x = - 3\) and draw an arrow to the right of the open circle.
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a rancher must design a rectangular corral with an area of 400 square m…
80
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graph the inequality below on the number line. a≥ - 9
On the number line, place a closed - circle at \(-9\) and shade to the right of \(-9\).
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question 12 solve and graph: 9x + 3 < 2x + 10 and - 5 + 3x ≤ 9x + 1 -5 …
The solution is $-1\leq x<1$. On the number - line, place a closed circle at $-1$, an open circle at $1$, and draw a line segment connecting them.
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graph the inequality below on the number line. x < - 2
On the number - line, place an open circle at \(-2\) and shade the line to the left of \(-2\).
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w3a4: unit 1 review score: 40/100 answered: 10/24 question 11 solve and…
The solution is $x\leq - 3$ or $x>2$. On the number - line, we have a closed circle at $x=-3$ with an arrow pointing left and an open circle at $x = 2$ with an arrow pointing righ…
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a spherical water tank has a radius of 37 feet. can it hold enough wate…
The spherical water tank holds $212719$ $ft^{3}$ (rounded to the nearest integer), is not enough water to fill the swimming pool, because the pool requires $248025$ $ft^{3}$ (roun…
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graph the inequality below on the number line. b ≤ - 8
On the given number line, place a closed - circle at $-8$ and draw a line extending to the left of $-8$.
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determine the area of a circular enclosure and a square enclosure made …
The area of the square enclosure is 324 square meters. The area of the circular enclosure is approximately 413 square meters. The circular enclosure has a larger area.
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graph the inequality below on the number line. x > 4
Draw an open circle at 4 on the number - line and an arrow extending to the right from the open circle.
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determine the area of a circular enclosure and a square enclosure made …
The area of the square enclosure is 196 square meters and the area of the circular enclosure is about 250 square meters (rounded to the nearest whole number).
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determine the area of a circular enclosure and a square enclosure made …
196 square meters
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a city regulates the heights of its houses by the rule that on the shor…
48
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graph the inequality below on the number line. y ≥ 10
On the given number - line, place a closed (filled - in) circle at 10 and draw an arrow to the right starting from that circle.
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4. here is a polygon. draw a scaled copy of the polygon using a scale f…
# Explanation: ## Step1: Measure side - lengths Measure the horizontal and vertical side - lengths of the original polygon in terms of grid squares. ## Step2: Scale side - lengths…
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graph the inequality below on the number line. a < 9
On the number - line, place an open circle at 9 and shade the line to the left of 9.
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graph the inequality below on the number line. a > -7
On the given number line, place an open - circle at $-7$ and draw an arrow to the right of $-7$.
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graph the inequality below on the number line. x ≥ -6
On the number line, place a closed - circle at $-6$ and shade to the right of $-6$.
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3. un dibujo a escala de un parque rectangular mide 5 pulgadas de ancho…
D. 56,000
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find the unknown lengths in the pair of similar triangles. the length o…
$\frac{32}{7}$ in
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find the unknown lengths in the pair of similar triangles. the length o…
21
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determine the lengths of the unknown sides in the following pairs of si…
$x = 7$, $y = 24$
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determine if the triangles to the right are similar, and explain how yo…
A. The triangles are not similar because none of the corresponding pairs of angles are equal.
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does the pair of triangles appear to be similar? similar not similar
Similar
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2. rectangle a measures 9 inches by 3 inches. rectangle b is a scaled -…
A. 4.5 inches by 1.5 inches, D. 13.5 inches by 4.5 inches, E. 90 inches by 30 inches
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what is the slope of a 6 in 10 roof? how much does the roof rise in 15 …
The slope of a 6 - in - 10 roof is 0.6. The roof rises 9 horizontal feet in 15 horizontal feet.
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find the angular size of a circular object with a 1 - inch diameter vie…
$0.80^{\circ}$
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convert the given angle measure into degrees and decimal fractions of a…
$101.85$
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convert the angle to d°ms form. 75.32° 75.32° = °
$75^{\circ}19'12''$
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write the coordinates of the vertices after a reflection over the line …
$P'(-12,-8)$ $Q'(-12,-3)$ $R'(-7,-8)$
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study the image below. find the distance between the points c(3,4) and …
$\sqrt{37}$
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on the map (right), the length of each east - west block is $\frac{1}{1…
The shortest walking distance is $0.8$ miles. The straight - line distance is approximately $0.57$ miles.
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question 4 of 10 a parking lot is going to be 40 m wide and 100 m long.…
C. 10 cm × 25 cm
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1. quadrilateral efgh is a scaled - copy of quadrilateral abcd. select …
A. The segment \(EF\) has twice the length of the segment \(AB\). D. The length of the segment \(EH\) is 16 units.
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find the measures of the parts of the right triangle that are not given…
c = 42 yd m∠B = 61°
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find the measures of the parts of the right triangle that are not given.
$a\approx20.51$ yd $c\approx42.30$ yd
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with respect to the diagram, which relationship is false if ∠fea is sup…
\(m\angle FEB + m\angle HGD = 180^{\circ}\)
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incorrect your answer is incorrect. find tanθ, where θ is the angle sho…
$\frac{\sqrt{17}}{8}$
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what is the next step in the proof? choose the most logical approach. g…
Statement: ∠6≅∠14 Reason: For parallel lines cut by a transversal, corresponding angles are congruent.
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in the diagram, $overleftrightarrow{ab}paralleloverleftrightarrow{cd}$.…
\(\angle EIA\cong\angle GJI\)
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find tanθ, where θ is the angle shown. give an exact value, not a decim…
$\frac{\sqrt{17}}{8}$
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what is the missing step in the proof? given: $overline{bc}parallelover…
Statement: $\angle AFE\cong\angle AFD$ Reason: Transitive Property of Equality
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what is the missing step in the proof? given: ab || cd, and ∠eij ≅ ∠gji…
Statement: $\angle GJI$ and $\angle IJL$ are supplementary. Reason: Linear Pair Theorem
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partially correct your answer is incorrect. - side length b: your answe…
$A = 31^{\circ}$, $b\approx15.0$, $c\approx29.2$
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solve the right triangle. round your answers to the nearest tenth. b = …
A = 59°, a≈69.2, c≈80.8
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solve the right triangle. round your answers to the nearest tenth.
$B = 31^{\circ}$ $b\approx41.6$ $c\approx48.5$
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the solid below is made from 1 - foot cubes. find the total surface are…
$84$ ft²
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a ramp 40 ft long rises to a platform. the bottom of the platform is 17…
$x = 64.0^{\circ}$
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a ramp 40 ft long rises to a platform. the bottom of the platform is 17…
$64.0$
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determine the base of the rhombus area: 6 in height: 2 in determine the…
First case: 3 in Second case: 6 in
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determine the area of the trapezoid base 1: 10 in base 2: 6 in height: …
Trapezoid 1 area: 40 in² Trapezoid 2 area: 260 cm² Rhombus 1 area: 24 in² Rhombus 2 area: 22.5 in²
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find x. round your answer to the nearest tenth of a degree.
$36.9$
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a kite is flying 77 ft off the ground, and its string is pulled taut. t…
95.2 ft
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determine the base of the triangle. area: 52 ft² height: 8 ft; determin…
1. Triangle base: 13 ft 2. Triangle height: 24 cm 3. Parallelogram area 1: 180 yd² 4. Parallelogram area 2: 52.5 mm² 5. Trapezoid area 1: 29 cm² 6. Trapezoid area 2: 177.5 cm²
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solve the inequality and graph the solution. 10 + 4s ≤ 2 plot the endpo…
The solution of the inequality is $s\leq - 2$. On the number - line, a closed circle is at $-2$ and the ray extends to the left.
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solve for x in the triangle. round your answer to the nearest tenth.
$2.7$
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this quiz will test your knowledge on parabola foci and directrices. cl…
C. $y=\frac{1}{36}x^{2}$
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drag the tiles to the boxes to form correct pairs. not all tiles will b…
$D\longleftrightarrow(4,4.5)$ $E\longleftrightarrow(5,4.75)$ $H\longleftrightarrow(9,5.75)$ $I\longleftrightarrow(8,5.5)$
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select the correct answer. the endpoints of $overline{ef}$ are $e(x_e,y…
C. $(\frac{x_E+x_F}{2},\frac{y_E + y_F}{2})$
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this quiz will test your knowledge on parabola foci and directrices. cl…
A. \(y=\frac{1}{60}x^{2}\)
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determine the area of the triangle. base: 12 in height: 6 in determine …
First - triangle area: 36 in² Second - triangle area: 102.5 ft² First - parallelogram area: 50 in² Second - parallelogram area: 135 in²
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type the correct answer in each box. use numerals instead of words. if …
The coordinates of point F are \((3.75,-2.5)\), and the coordinates of point G are \((-0.75,-3)\)
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select the correct answer. a = (1, 5) c = (1.75, 2.5) b = (?) what are …
A. \((3.25,-2.5)\)
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select the correct answer. in the diagram, the areas of $delta adc$ and…
D. $(4,-6)$
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given: $overleftrightarrow{qs}perpoverleftrightarrow{us}$ and $\triangl…
D. slope of $\overleftrightarrow{QS}\times$ slope of $\overleftrightarrow{US}=\frac{ST}{TU}\times-\frac{TU}{ST}$
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the figure on the right is a scaled copy of the figure on the left. ans…
The side that corresponds to segment $ZX$ is $BA$. The scale factor is 2.
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a triangular lot is 120 ft on one side and has a property line of lengt…
$1.10$