几何
三角形、圆、解析几何与证明题。
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question 7 of 12 what is the approximate value of sin c? a. 0.93 b. 0.3…
B. 0.36
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what is the approximate value of \\(\\tan b\\)? a. 0.40 b. 0.44 c. 0.92…
B. 0.44
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question 1 of 12 what is \\(\\cos 23^\\circ\\)? image of a right triang…
C. $\frac{12}{13}$
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question 3 of 10 the ______ of an angle is the ratio of the opposite le…
B. sine
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question 25 of 25 what is the length of side s of the square shown belo…
A. $3\sqrt{2}$
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in the triangle shown below, what is the approximate value of ( a ) a. …
C. 21 units
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2. consider the name of the geometric solid. select all that apply. ima…
The correct options are: - prism - triangular - oblique
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in the diagram below, $\\triangle abc\\sim \\triangle dec$. what is the…
C. 3
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based on the information marked in the diagram, $\\triangle abc$ and $\…
A. True
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question 21 of 25 what is the value of x in the diagram below? 12 54 2 …
A. 9
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1. consider the name of the geometric solid. select all that apply. pri…
- pyramid - pentagonal - oblique
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question 19 of 25 a triangle with sides of lengths 32, 60, and 68 is a …
A. True
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the legs of a right triangle measure 6 meters and 8 meters. what is the…
A. 10 meters
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question 17 of 25 which of the following is the perpendicular bisector …
B. If a point is on the perpendicular bisector of a segment, then it is equidistant from the endpoints of the segment.
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which expression gives the length of \\(\\overline{qr}\\) in the triang…
D. $\sqrt{17^2 + 25^2}$
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which of the following are congruence theorems for right triangles? che…
A. HA B. HL D. LL E. LA
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in the triangle below, what is the length of the side opposite the 60° …
B. 3
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what is the length of the diagonal of the square shown below? a. $7\\sq…
C. $7\sqrt{2}$
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which of the following is the statement below describing? in a right tr…
A. Pythagorean Theorem
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which of the following is the statement below describing? if a point is…
A. Angle Bisector Theorem
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in the diagram below, \\(\\overline{bc}\\) is an altitude of \\(\\trian…
B. 26
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question 9 of 25 in the figure below, ∠abd measures 37°. what is the me…
A. $74^\circ$
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question 8 of 25 in the 30-60-90 triangle below, side s has a length of…
D. $4, 4\sqrt{3}$
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question 7 of 25 the hl congruence theorem for right triangles is a spe…
D. SSS postulate
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in $\\triangle pqr$, $m\\angle p = 60^\\circ$, $m\\angle q = 30^\\circ$…
B. $QR=\frac{\sqrt{3}}{2} \cdot PQ$ C. $QR=\sqrt{3} \cdot PR$ F. $PQ=2 \cdot PR$
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according to the diagram below, which similarity statements are true? c…
A. $\triangle PQR \sim \triangle QSR$ D. $\triangle PQR \sim \triangle PSQ$
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the hypotenuse of a 45-45-90 triangle has a length of 10 units. what is…
D. $5\sqrt{2}$ units
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in a 45-45-90 right triangle, what is the ratio of the length of one le…
D. 1:1
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two right triangles are similar if the acute angles of one triangle are…
A. True
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question 10 of 10 what is the length of the altitude of the equilateral…
D. 6
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in the diagram below, $\\triangle jkl$ is an equilateral triangle and $…
C. $\triangle JKM$ is a 30-60-90 triangle.
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46.3 circle the words from b and c to complete each sentence. 1 many tr…
### 46.3部分解答： 1. 句子意思是很多旅行者更喜欢在网上“预订”假期，而不是通过电话。“book”有预订的意思，“take”不符合语境，所以圈出**book**。 2. 西班牙对于英国度假者来说是一个受欢迎的度假“目的地”。“destination”是目的地，“accommodation”是住宿，所以圈出**destination**。 3. 如…
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use the figure below to answer the question that follows. p is the cent…
\( 35^\circ \) (assuming the correct answer is \( 35^\circ \) based on the calculations)
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what is the smallest angle of this triangle? 17 16 29 ?° round to the n…
$27.66^\circ$
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find the area of this triangle. 155 175 260 area = ? units² round to th…
13170 units²
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find the volume of the object by counting the cubic units. assume that …
# Explanation: ## Step1: Analyze the structure (front - back, left - right, top - bottom) Looking at the 3D object, we can split it into two parts or analyze layer by layer. Let's…
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find the measure of the indicated angle. 49 ?° 31 22 round to the neare…
$18.6^\circ$
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find the length of the indicated side. 30 141° 32 ? round to the neares…
58.5
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3. $y > -\frac{2}{3}x + 5$
1. Draw a dashed line through points $(0, 5)$ and $(7.5, 0)$ (representing $y = -\frac{2}{3}x + 5$). 2. Shade the entire region that lies above this dashed line.
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multiple select question select all that apply members of ethnic and ra…
A. The term was "very unliked" by most Latinos C. "Latinx" was perceived as being primarily used in academic circles D. Only 23 percent of adults who identify themselves as Latino…
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for the parallelogram, ab = 15 and bd = 14. find the length of the diag…
30
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multiple choice question in 2020, the u.s. census bureau updated the te…
B. Many people, such as immigrants from the Caribbean, identify themselves as Black but not as African American.
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the figure to the right can be divided into two parallelograms. what is…
192
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find the length of the third side. if necessary, write in simplest radi…
$\sqrt{47}$
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find the length of the third side. if necessary, write in simplest radi…
8
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find the length of the third side. if necessary, write in simplest radi…
8
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find the length of the third side. if necessary, write in simplest radi…
2
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multiple select question select all that apply members of ethnic and ra…
A. The term was "very unliked" by most Latinos B. "Latinx" was perceived as being primarily used in academic circles D. Only 23 percent of adults who identify themselves as Latino…
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what is the area of a triangle with a base of 2 and a height of 73? 73 …
73 (corresponding to the orange option with value 73)
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find the value of each of the six trigonometric functions of the angle …
s: \(\sin\theta=\boldsymbol{\frac{1}{2}}\) \(\cos\theta=\boldsymbol{\frac{\sqrt{3}}{2}}\) \(\tan\theta=\boldsymbol{\frac{\sqrt{3}}{3}}\) \(\csc\theta=\boldsymbol{2}\) \(\sec\theta…
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are quadrilaterals abcd and efgh similar? no, quadrilaterals abcd and e…
Yes, quadrilaterals ABCD and EFGH are similar because a translation of (x + 3, y + 3) and a dilation by the scale factor of 2 from point A' map quadrilateral ABCD onto EFGH.
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find the distance between the two points rounding to the nearest tenth …
6.3
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in exercises 1 and 2, copy and complete the table. write your answers i…
| $x$ | 5 | 4 | $\sqrt{2}$ | $12\sqrt{2}$ | |-----|---|---|------------|--------------| | $y$ | $5\sqrt{2}$ | $4\sqrt{2}$ | 2 | 24 | --- ### Exercise 2
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5) in the right triangle, the hypotenuse is 10, one acute angle is 60°,…
$x = 5\sqrt{3}$, $y = 5$
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essential question: what is the relationship among the side lengths of …
1) $v=10\sqrt{3}$, $u=20$ 2) $a=10$, $b=10$ 3) $x=4\sqrt{2}$, $y=4$ 4) $x=10$, $y=5$ 5) $x=5\sqrt{3}$, $y=5$ 6) $u=6\sqrt{2}$, $v=6$
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write the coordinates of the vertices after a translation 4 units right…
The coordinates of the vertices after translation are \( D'(-2,-2) \), \( C'(-2,-8) \), \( E'(2,-6) \)
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write the coordinates of the vertices after a translation 4 units left.
The coordinates of the vertices after translation are \( S(-2,0) \), \( T(-2,8) \), \( U(6,9) \), \( V(6,6) \)
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next week is the first week of summer vacation. robert has his entire w…
s: 3. \(\boldsymbol{8.1}\) miles 4. \(\boldsymbol{8.5}\) miles 5. \(\boldsymbol{8.1}\) miles 6. \(\boldsymbol{12.1}\) miles
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9 which graph best represents the solution set for the system of inequa…
C
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8 which graph best represents the solution set for the system of inequa…
A. <The graph with a solid line $y=\frac{3}{2}x-1$, dashed line $y=-\frac{1}{2}x+3$, and shaded region above both lines>
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find the distance between the two points in simplest radical form.
$\sqrt{130}$
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given ( l parallel m parallel n ), find the value of ( x ).
$126$
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the pythagorean theorem on a coordinate grid wade is designing a new mi…
\(\approx 5.83\) ### Problem 2: Distance between C and D
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given ( l parallel m parallel n ), find the value of ( x ). ((6x - 18)^…
\( x = 12 \)
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given ( l parallel m parallel n ), find the value of ( x ).
\( x = 34 \)
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given ( l parallel m parallel n ), find the value of ( x ).
\( 30.5 \)
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given ( l parallel m parallel n ), find the value of ( x ).
$x=16$
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given ( m parallel n ), find the value of ( x ).
$19$
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this figure shows $\\triangle abc$. $\\overline{bd}$ is the angle bisec…
$\frac{8}{3}$ units
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this figure shows $\\triangle xyz$. $\\overline{mz}$ is the angle bisec…
5.5 units
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view submission select parallel or not parallel for each set of given i…
1. For $AD=2, DB=4, CE=3, EB=6$: Parallel 2. For $AD=2, DB=3, CE=6, EB=9$: Parallel 3. For $AD=2, DB=5, CE=4, EB=7$: Not parallel
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in the diagram, $overleftrightarrow{bc} \\parallel overleftrightarrow{d…
15 m
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look at this shape: which image shows a rotation? a b c
B. The triangle with the same slanted orientation matching the rotated original shape
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look at this shape: which image shows a translation? a b c
B. The shape that matches the original in orientation and form, shifted to a new position
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jake measured a hotel and made a scale drawing. the scale of the drawin…
24 inches
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introduction to circles patrick ignatius use the provided dimensions to…
A. 4.7 in
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multiple-choice question use the provided dimensions to find the diamet…
6.4 m
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triangle xyz is rotated 90° counterclockwise about the origin. what are…
\((1, 4)\)
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use the provided dimensions to find the radius. multiple choice questio…
D. 8 cm
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whats the radius of this circle? 5 mm 15.7 mm 2.5 mm 1.25 mm
B. 2.5 mm
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introduction to circles patrick iokimedes use the provided dimensions t…
A. The distance across a circle, through the center The numerical value of the diameter is 5 mm
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a negative slope indicates the line is. a slope of \\(\\frac{1}{5}\\) m…
decreasing (or going down from left to right) ### Second Question:
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the measure of how steep a line is called. the formula for slope is div…
slope ### Second Question:
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(9) find ( mangle f ) the figure is a parallelogram labeled with vertic…
$81^\circ$
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what lengths would allow you to calculate the volume of the oblique pyr…
A. AB and EF B. AC, CB, and EF D. AD, DB, and EF E. AD, DC, and EF
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solve the system of two linear inequalities graphically. \\(\\begin{cas…
The solution set is the region to the right of the dashed vertical line $x=-7$ and above (including the line) the solid horizontal line $y=7$. This overlapping area represents all…
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(b) the figure is a trapezoid with the top base labeled (6x + 1), the b…
$x=5$
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deriving a formula for volume of a pyramid the area of the base of the …
\(\frac{1}{6}(b)(b)(2h)\) (the second option)
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riving a formula for volume of a pyramid the area of the base of the cu…
- Height of each pyramid: \( \frac{b}{2} \) - Number of pyramids: 6 - Volume of one pyramid: \( \frac{b^3}{6} \)
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deriving a formula for volume of a pyramid the area of the base of the …
s (filling in the blanks): - The volume of the cube is \(\boldsymbol{(b)(b)(b)}\) (or \(b^3\)) cubic units. - The height of each pyramid: From \( b = 2h \), \( h=\boldsymbol{\frac…
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deriving a formula for volume of a pyramid the area of the base of the …
# Explanation: ## Step1: Base Area of Cube The base of the cube is a square with side length \( b \). The area of a square is side squared, so \( B = b \times b = (b)(b) \). ## St…
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8. rectangle prst has diagonals $ps = 6x + 3$ and $rt = 7x - 2$. find t…
C. 5
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six identical square pyramids can fill the same volume as a cube with t…
The height of each pyramid is \(\frac{1}{2}h\) units. (The option: The height of each pyramid is \(\frac{1}{2}h\) units.)
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find the distance between the points a and b given below. (that is, fin…
\(6.40\)
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find the distance between the points a and b given below. (that is, fin…
\(5.83\) units
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the base edge of an oblique square pyramid is represented as x cm. if t…
\( 3x^{2}\text{ cm}^3 \) (corresponding to the option " \( 3x^{2}\text{ cm}^3 \)")
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three oblique pyramids have the same regular square base. which one has…
The middle oblique pyramid (with the right triangle having legs 4 and 3, height 3) has a volume of 15 cubic units.
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8. rectangle prst has diagonals ps = 6x + 3 and rt = 7x - 2. find the v…
C. 5
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match equations and hangers 1. match each hanger to an equation. comple…
To solve this problem, we analyze each hanger: ### Hanger A: - Left side: 3 circles (let's assume each circle is a unit, or maybe a variable? Wait, looking at the right side, ther…
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2. given the parallelogram, find the missing angle measure: a. 70 b. 20…
D. 110