几何
三角形、圆、解析几何与证明题。
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angle m has a measure of 47°. what is the measure of angle pnl? 43° 47°…
43°
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right triangle abc is isosceles and point m is the midpoint of the hypo…
It is an isosceles right triangle.
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drag each statement to the correct location on the flowchart. not all s…
Top dashed box: $\boldsymbol{\text{m}\angle DAB = \text{m}\angle DAC + \text{m}\angle ACD}$ Bottom dashed box: $\boldsymbol{\text{m}\angle BCD = \text{m}\angle DAC + \text{m}\angl…
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pretest: polygons\ statement\\treason\ 1. \\tdraw $\\overline{bd} \\per…
11. $AB^2 = AC \times AD$ Reason: cross multiplication 12. $AB^2 + BC^2 = AC \times AD + AC \times DC$ Reason: addition 13. $AB^2 + BC^2 = AC(AD + DC)$ Reason: Distributive Proper…
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1. define the vertices of $\\triangle abc$ to have unique points $a(x_1…
B. definition of slope
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select the correct answer from each drop - down menu. explain how the t…
The figure shows that the polygon, which has 6 sides, may be divided into 4 triangles, each of which will have a total interior angle measure of $180^\circ$. Therefore, the total …
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type the correct answer in the box. use numerals instead of words. if n…
4
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select the correct answer from each dropdown menu.△abc has vertices of …
The length of BC is square root of 53. Therefore, the triangle is an isosceles right triangle.
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select the correct answer from each dropdown menu. △abc has vertices of…
- The length of AB is: square root of 53 - The length of AC is: square root of 106 - The length of BC is: square root of 53 - Therefore, the triangle is: an isosceles right triang…
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proof: | statement | reason | | --- | --- | | 1. let $\\triangle abc$ b…
D. Reflexive Property of Equality
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type the correct answer in the box. you are building a dollhouse for yo…
$154$
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1. quadrilateral defg is a parallelogram. given 2. \\(\\overline{de} \\…
A. $\triangle DGH \cong \triangle FEH$
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select the correct answer. how can you justify that the diagonals of a …
A. Show that the diagonals form two congruent triangles using the definition of a rhombus and geometric properties. Then, use CPCTC (corresponding parts of congruent triangles are…
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in the model of a house, the front - facing gable at the end of the roo…
D. The base angles of the gable are also congruent.
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type the correct answer in the box. use numerals instead of words. cons…
72.15
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select all the correct answers. in $\\triangle abc$, $\\overline{bd}$ i…
- $AB^2 + BC^2 = AC^2$ - $AD^2 + DB^2 = AB^2$ - $BD^2 + DC^2 = BC^2$
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statement reason 1. \\(\\overline{de}\\) given 2. if two parallel lines…
D. $\angle CAB \cong \angle EDB, \angle ACB \cong \angle DEB$
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which linear inequality is represented by the graph? $\\bigcirc\\ y>\\f…
$y < \frac{2}{3}x - 1$ (Option D)
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type the correct answer in each box. use numerals instead of words. if …
The length of $\overline{AC}$ is 8 units, and $m\angle CBD$ is 23°.
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type the correct answer in the box. the image shows a portion of a brid…
56
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which is true about the solution to the system of inequalities shown? y…
There are no solutions.
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a quadrilateral has vertices a(4, 9), b(2, 5), c(8, 2), and d(10, 6). w…
C. ABCD is a rectangle with noncongruent adjacent sides.
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select the correct answer. a regular convex polygon has an exterior ang…
B. 18
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select the correct answer from each drop - down menu. consider parallel…
$m\angle BCD = 45$ ° The length of segment CD is 7 units. The length of segment AE is 20.5 units.
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select the correct answer from each drop - down menu. consider parallel…
$m\angle BCD = 45^\circ$ The length of segment CD is 7 units. The length of segment AE is 20 units.
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the coordinates of the endpoints of $overline{ab}$ and $overline{cd}$ a…
A. $\overline{AB} \parallel \overline{CD}$
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in the figure below, assume the two lines appearing parallel are parall…
The length of \(\overline{CG}\) is 10.
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multiple choice 1 point a student drew a picture that has rotational sy…
The third option (the figure with three rectangles arranged around a point)
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select the correct answer. quad is a quadrilateral with vertices q(-3,2…
D. $\overline{QU} \parallel \overline{AD}$ and $\overline{UA} \parallel \overline{DQ}$ because the segments have the same slope.
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5 multiple choice 1 point given the nested triangles below, find a prop…
The correct option (after un-mirroring the fourth option) is the one where \( \frac{AD}{AB} = \frac{AE}{AC} \), which is the rightmost option (the fourth one from the left in the …
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type the correct answer in the box. find the length of \\(overline{su}\…
3.4
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problem 1 solve for x. round your answers to the nearest hundredths pro…
Problem 1: $x \approx 12.63$ Problem 2: $x \approx 27.19$
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determine if triangle mno and triangle pqr are or are not similar, and,…
The triangles \(MNO\) and \(PQR\) are similar by the AA (Angle - Angle) similarity criterion because they share a \(77^\circ\) angle ( \(\angle N=\angle Q = 77^\circ\)) and the th…
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in the figure above, $\\triangle ihj \\sim \\triangle lkj$, $\\overline…
s: - $\overline{JL}:\overline{IJ}=\frac{7}{2}$ - $\overline{KJ}=\frac{21}{2}$ (or $10.5$)
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what is the length of the dotted line in the diagram below? round to th…
14.1
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question solve for ( x ). leave your answer in simplest radical form. (…
\( \sqrt{29} \)
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look at the diagram below.\\(overrightarrow{jk}\\) and \\(overrightarro…
- \(\overleftrightarrow{J'K'}\) will be the same line as \(\overleftrightarrow{JK}\) - \(\overleftrightarrow{M'W'}\) will be parallel to \(\overleftrightarrow{MW}\), but they will…
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a student drew a picture that has rotational symmetry but not reflectio…
The option with the three rectangles (the second figure among the choices) is the correct one. (Assuming the options are labeled as first, second, third, fourth with the second be…
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3) $y = x + 1$ 4) $y = \\frac{4}{3}x - 4$ 5) $y = -3x - 3$ 6) $y = 4$
1. For $y=x+1$: Line through $(0,1)$ and $(1,2)$ with slope 1. 2. For $y=\frac{4}{3}x-4$: Line through $(0,-4)$ and $(3,0)$ with slope $\frac{4}{3}$. 3. For $y=-3x-3$: Line throug…
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a student drew a picture that has rotational symmetry but not reflectio…
The second option (the yellow pinwheel - like figure in the black square)
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in the coordinate plane, (overline{rs}) is the image of (overline{rs}) …
12.5
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the equation of (overleftrightarrow{xy}) is (y = -x - 5). (overleftrigh…
\(-1\)
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is this graph a function? hint: does it pass the \vertical line test?\ …
No (with the checkbox next to "No" selected)
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solve for ( x ) to the nearest tenth. answer attempt 1 out of 3 ( x app…
\( x\approx8.9 \)
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find the length of the third side. if necessary, write in simplest radi…
\(3\sqrt{5}\)
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10. a rectangular pyramid has a volume of 160 cubic units and a height …
Possible dimensions for the base include (8 units, 10 units), (4 units, 20 units), (5 units, 16 units), or (1 unit, 80 units) (any pair of positive real numbers with a product of …
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find the length of the third side. if necessary, write in simplest radi…
\(\sqrt{55}\)
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find the length of the third side. if necessary, write in simplest radi…
\(8\sqrt{2}\)
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find the length of the third side. if necessary, write in simplest radi…
7
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a lighthouse is standing 100 feet tall and a boat is 65 feet away from …
119.27 (Wait, but let's check again. Wait, 100 and 65: 100^2 is 10000, 65^2 is 4225, sum is 14225. Square root of 14225: let's see, 119^2 = 14161, 119.27^2 ≈ 14225, so the answer …
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a 14 foot ladder is placed 5 feet from the wall. how high up does the l…
13.08
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a. write the coordinates of the vertex b. write the equation of the gra…
a. $(0, 3)$ b. $y=-3x^2+3$ c. $y=-3(x+1)(x-1)$ d. $y=-3x^2+3$ e. By solving $-3x^2+3=0$, we get $x^2=1$, so $x=1$ and $x=-1$, which matches the given roots. f. $-24$
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2 fill in the blank 1 point a bird flies down 10 meters directly to the…
8
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a lighthouse is standing 20 meters tall and a boat is 40 meters away fr…
\(44.72\)
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given rectangle klmn below, no = 48. if km = 2x + 4, solve for x.
\( x = 46 \)
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given rhombus lmno below, op = 29. if pm = -x + 6, solve for x.
\( x=-23 \)
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determining two - variable linear inequalities with no solution which l…
C. $y > \frac{5}{3}x + 2$
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if jl = 23 and kl = 15, what is lm? write your answer as a whole number…
$9.78$
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riddle time determine whether each set of triangles is similar and why.…
The blackbird was **LOOKING FOR BOOKS!**
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if wy = 21 and xy = 11, what is yz? write your answer as a whole number…
$5.76$
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use the facts you have established to complete exercises involving diff…
### Problem 1: Prove \(ABCD\) is a rhombus # Explanation: ## Step 1: Recall parallelogram from parallel sides Given \(\overline{AB} \parallel \overline{CD}\), and in a quadrilater…
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find su. su = (there is a triangle with points v, u, s. a line rt is pa…
$12$
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tu || sv. find rv. u v r 6 3 s 6 t rv = save answer
$6$
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describe how the figure moved from frame 2 to frame 3. frame 1 frame 2 …
It slid down.
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describe how the figure moved from frame 1 to frame 2. frame 1 shows a …
It turned 90 degrees clockwise.
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classify each number below as a rational number or an irrational number…
- For $-10\pi$: irrational (select the circle under "irrational") - For $22.\overline{53}$: rational (select the circle under "rational") - For $-\sqrt{16}$: rational (select the …
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the volume of a cube is 512 cubic inches. what is the length of each si…
8 inches
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describe how the figure moved from frame 1 to frame 2. it slid up. it s…
It slid down.
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the angles in a triangle are in the ratio of 1:3:5. find all the angles…
The angles of the triangle are \( 20^\circ \), \( 60^\circ \), and \( 100^\circ \).
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which angle is adjacent to $\\angle cda$? (there is an image with point…
$\angle ADB$
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determine whether the graph of the equation is symmetric with respect t…
origin
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a graph of a system of two equations is shown. what is the solution of …
\((-3, -2)\)
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find the measure of the missing angles. answer attempt 1 out of 2 b = \…
\( b = \boxed{72}^\circ \) \( c = \boxed{108}^\circ \)
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owen has a scale model of the gateway arch located in st. louis. the mo…
$5.8$ cm
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determine the coordinates of w (-7, 4) after a reflection in the line y…
$(-7, 14)$
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sandbox aliyah is drawing the top view of a square sandbox on a coordin…
$D'(1, 1)$ $E'(1, 6)$ $F'(-4, 6)$ $G'(-4, 1)$
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determine the coordinates of q(6, -4) after a reflection in the line x …
$(-2, -4)$
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abc üçgen, ab⊥de, |ab| = |bd|, |dc| = 2|be|, m(∠acb) = 25° yukarıdaki v…
C) 35
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without graphing, determine whether the following equation has a graph …
A. origin B. x-axis C. y-axis
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the apothem of the pentagon is about 15.2 inches long. the area of a re…
The perimeter of the Pentagon on the map is about \(\boldsymbol{94.4}\) inches.
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find the measure indicated. 1) 2)
1. $\angle U = 116^\circ$ 2. $\angle F = 154^\circ$
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given: ∠1 is complementary to ∠2. ∠2 is complementary to ∠3. prove: m∠1…
\( m\angle1 + m\angle2 = 90^\circ \)
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solve for the marked angle measure $(9x - 15)^circ$ $(7x + 25)^circ$
$165^\circ$
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figure lmno is a parallelogram. angles l and m are supplementary. what …
\(180\)
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solve for x, y, and z (note- just type in the number, not the degree sy…
$x = 62$, $y = 118$, $z = 118$
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triangle abc is a right triangle. what is the relationship between angl…
They are complementary.
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name the angle that is vertical to the given angle angle 1 is vertical …
angle 1 is vertical to angle 10 angle 5 is vertical to angle 9 angle 3 is vertical to angle 4 angle 11 is vertical to angle 12
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in the figure, $\\angle rqs \\cong \\angle qlk$. what is the value of $…
108
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solve for x and y (note- just type in the number, not the degree symbol…
x = 73, y = 57
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solve for x and y (note- just type in the number, not the degree symbol…
$x = 72$, $y = 108$
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points a, b, and c are on line ac. angle cbd has a measure of 140°. wha…
\(40^\circ\)
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angle acd is supplementary to angles ace and bcd and congruent to angle…
B. Angle BCE is supplementary to angle ACE C. Angle BCD is supplementary to angle BCE E. Angle BCD is congruent to angle ACE
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angles a and b are supplementary. angle a has a measure of 80°. what is…
\(100\)
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question 6 (1 point) if the figures below are similar, find the scale f…
\(\frac{1}{3}\)
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two lines are intersected by a third line. if $\\angle 2 \\cong \\angle…
\( m\angle 2 = m\angle 8 \) (the option: \( m\angle 2 = m\angle 8 \))
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what is the equation of the midline of the sinusoidal function? enter y…
\(4\)
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question 3 (1 point) if $\\triangle gfe \\sim \\triangle cbe$, find the…
\(9\)
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angle b measures 60°. what is the measure of the angle that is compleme…
\(30^\circ\) (corresponding to the first option, e.g., A. \(30^\circ\) if options are labeled A - D as such)
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wxyz ~ qtsr. find rs. rs = \\boxed{} save answer
1
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pqrs ~ fghe, find ef. ef =
4