幾何
三角形、円、座標幾何、証明問題。
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in the figure below, $\triangle rst$ is drawn. the line $overleftrighta…
$m\angle STR = m\angle URT$ (or $x^\circ$) because they are alternate interior angles.
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what is the perimeter? if necessary, round to the nearest tenth. $squar…
19.8 inches
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question 3 of 5 select the correct answer. which triangle is congruent …
triangle GHI
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level instructions: find the volume of each cone. please use $pi \\appr…
923.16 cubic centimeters
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explore the properties of angles formed by two intersecting chords. 1.t…
210
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using the law of sines for the asa case determine the measures of all u…
$m\angle K = 42^\circ$ $JK \approx 10.43$ $LK \approx 20.90$
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when seen from to top of a 32 meter high lighthouse, the angle of depre…
a) $\boldsymbol{29^\circ}$ b) $\boldsymbol{x = \frac{32}{\tan(29^\circ)}}$ c) $\boldsymbol{x = \frac{32}{\tan(29^\circ)}}$ d) $\boldsymbol{x \approx 57.7}$ meters
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8. a fencing company is putting fences around the properties shown on t…
| Property | Perimeter (yd) | |----------|----------------| | P | 16.2 | | Q | 18.8 | | R | 13.2 | | T | 16.6 |
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5. consider the square-based prism on the right. the height of the pris…
A) 25 cm³
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what is the perimeter? if necessary, round to the nearest tenth.$square…
22.8 kilometers
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level 3 instructions: find the volume of each cone. please use $pi=3.14…
$47.1$ cubic centimeters
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a rectangular garden has a length of $(4x + 5)$ inches and a width of $…
The length is 9 feet, and the width is 6 feet.
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write the coordinates of the vertices after a reflection over the y-axi…
$Q'(-6, 0)$, $T'(-6, 2)$, $S'(-9, 2)$, $R'(-9, 0)$
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topic 2: perpendicular bisectors & angle bisectors 8. find sr. $10x - 3…
Problem 8: $SR = 57$ Problem 9: $m\angle LMN = 108^\circ$
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write the coordinates of the vertices after a reflection over the x-axi…
$T'(-8, 8)$ $U'(3, 8)$ $V'(-8, 7)$
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using the law of sines for the aas case complete the work to determine …
$a \approx 5.81$
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what is the perimeter? if necessary, round to the nearest tenth. $squar…
23.7 millimeters
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question 2 of 5 drag the image to the correct location. triangle abc is…
The correct triangle is the middle one (vertices labeled $E$, $F$, $D$ with $E$ at the top, $F$ at bottom-left, $D$ at bottom-right), and it should be dragged to the top-left dash…
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what is the perimeter? if necessary, round to the nearest tenth. □ mile…
132 miles
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what is the perimeter? if necessary, round to the nearest tenth. 14 mi.…
112 miles
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two right triangles, $\\triangle abd$ and $\\triangle acd$, were create…
Transitive
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two right triangles, $\\triangle abd$ and $\\triangle acd$, were create…
$b\sin(C) = h$
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two right triangles, $\\triangle abd$ and $\\triangle acd$, were create…
$\frac{h}{b}$
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two right triangles, $\\triangle abd$ and $\\triangle acd$, were create…
$c\sin(B) = h$
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pick all the names for this shape. sides that appear to be parallel are…
- parallelogram - rectangle - quadrilateral
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pick all the names for this shape. sides that appear to be parallel are…
- parallelogram - rectangle - quadrilateral
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proving the law of sines two right triangles, $\\triangle abd$ and $\\t…
$\frac{h}{c}$
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pick all the names for this shape. sides that appear to be parallel are…
rectangle, parallelogram, quadrilateral
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line ef is tangent to circle g at point a. if the measure of $angle cae…
190° (Option C: 190°)
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what is the measure of $widehat{eab}$ in circle f? $72^circ$ $92^circ$ …
200° (Option D. 200°)
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a rectangular garden has a length of $(4x + 5)$ inches and a width of $…
The length is 9 feet, and the width is 6 feet.
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what is the measure of arc ef in circle h? ○ 41° ○ 50° ○ 114° ○ 173°
A. $41^\circ$
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what is the measure of angle cab in circle o?○ 24°○ 48°○ 72°○ 96°
24° (Option A: 24°)
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in circle d, angle adc measures $(7x + 2)^{circ}$. arc ac measures $(8x…
36°
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parallelogram wxyz has vertices at w (1, 3), x (2, 5), y (6, 3), and z …
rectangle
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let the measure of $overparen{bcd} = a^{circ}$. because $overparen{bcd}…
A. inscribed angle
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find $m\\angle c$. enter the correct value in the box. show hints
35
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write the coordinates of the vertices after a reflection over the x-axi…
$T'(-8, 8)$ $U'(3, 8)$ $V'(-8, 7)$
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line segment bd is a diameter of circle e. what is the measure of arc b…
78°
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angle abd measures $(4x + 10)^{circ}$. angle acd measures $(5x - 2)^{ci…
116°
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angle bac measures $56^{\\circ}$. what is the measure of angle bdc? $28…
C. 56°
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what are the measures of $overset{\frown}{jk}$ and $angle kij$? measure…
Measure of $\overset{\frown}{JK}$ = $104^\circ$ Measure of $\angle KIJ$ = $52^\circ$
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write the coordinates of the vertices after a reflection over the x-axi…
$A(0, 3)$ $B(0, 1)$ $C(6, 2)$
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let the parallelogram be $pqrs$, labeled circularly. draw diagonal $\\o…
1. First two top boxes (parallel side congruence): $\boldsymbol{\overline{PQ} \cong \overline{RS}}$, $\boldsymbol{\overline{QR} \cong \overline{SP}}$ 2. Next two boxes (angle cong…
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reviewing the sine ratio which sine ratios are correct for $delta pqr$?…
$\boldsymbol{\sin (P) = \frac{p}{q}}$, $\boldsymbol{\sin (R) = \frac{r}{q}}$
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what is the measure of $overline{au}$?○ $44^circ$○ $50^circ$○ $64^circ$…
92°
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applying theorems $overline{pr}$ and $overline{qs}$ are diameters of ci…
50° is incorrect, the correct answer corresponding to the calculation is 40°, but since 40° is not listed, recheck: $\triangle PTQ$ and $\triangle STR$ are congruent, $\angle PQT=…
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6.8a practice 2 extending previous knowledge of triangles (sides) 1 tri…
### Ejercicio 1 a) The length of $\overline{MN}$ must be **greater** than $\boldsymbol{1}$. b) Side $\boldsymbol{\overline{NP}}$ is opposite $\angle NMP$. c) Side $\boldsymbol{\ov…
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identifying congruent angles $angle fae$ measures $72^\\circ$. what oth…
∠FBE
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6.8a practice 1 extending previous knowledge of triangles (angles) 1 tr…
### 1. Triangle HJK a) $32^\circ$ b) $\angle K$ c) $\angle H$ d) $\angle J$ ### 2. Triangle PQR a) $54^\circ$ b) $\angle Q$ c) $\angle P$ d) $\angle R$ ### 3. Triangle KLM a) $50^…
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applying the second corollary to the inscribed angles theorem the measu…
49.5
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applying the angle formed by a tangent and chord theorem the measure of…
$81^\circ$
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practice with inscribed angle theorems and corollaries an the angle for…
$168^\circ$
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pick all the names for this shape. sides that appear to be parallel are…
rectangle, quadrilateral
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pick all the names for this shape. sides that appear to be parallel are…
- parallelogram - quadrilateral
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the equation $cos^{-1}left(\frac{3.4}{10} ight)=x$ can be used to deter…
70°
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the length of the hypotenuse, line segment ac, in right triangle abc is…
53.1°
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a weather balloon is 529 meters above the ground. two weather stations,…
A. $x > y$ C. $w = y$ D. $y < v$
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3. a circular garden has an area of approximately 254.34 square meters.…
D. 18 m
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a cylinder and its dimensions are shown in the diagram.which equation c…
First question: C. $V = \pi(2.5)^2 h$ Question 8: H. $V = \pi(1.25)^2(7.5)$
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which of the following transformations carry the isosceles trapezoid on…
reflection across \( l \)
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which of the following transformations carry this regular polygon onto …
- rotation of 120° clockwise - reflection across $l$
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is the measure of $angle 1$ equal to the measure of $angle 2$? why? ○ y…
yes, because they intercept the same arc
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the other girls start laughing their heads off the rain is coming down …
3. F. NO CHANGE 9. A. NO CHANGE 10. H. reason, I wish 11. D. undeservedly remembered". 12. E. No error 13. C. Wilde. "Books 14. B. can penetrate 15. E. No error
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2. the longest side of each course is across from the ______ angle. 3. …
2. largest 3. shortest
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1. $x^{2}(x^{4})=$ (a) $x^{6}$ (b) $x^{8}$ (c) $2x^{6}$ (d) $2x^{8}$ 2.…
1. A) $x^6$ 2. A) 56 square feet
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finding the measure of an angle of elevation what is the measure of the…
37°
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what is the measure of $angle y$?$\bigcirc$ $43^circ$$\bigcirc$ $68^cir…
43°
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|course 1|course 2|course 3| | ---- | ---- | ---- | |angle measures| | …
### Parte inicial: 2. largest 3. shortest ### Sección B: 1. Ángulo desconocido: $111^\circ$; Orden de lados (más corto a más largo): $a < c < b$ 2. Ángulo desconocido: $66^\circ$;…
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finding the measure of an angle of elevation what is the measure of the…
37°
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find the missing side. round to the nearest tenth. 17) a) 13.4 b) 14.1 …
D) 10.5
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find the value of x. $3x + 1$ 15 12 18 $x = ?$
$x = \frac{35}{9}$
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an angle bisector of a triangle divides the opposite side of the triang…
7.5, 24.3
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question 18 (2 points) 19) 29 26° 34° x a) 8.6 b) 7.5 c) 11 d) 5.5
A) 8.6
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find the value of x. 50 30 9x 5x+2 x = ?
$x = 2$
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a triangle with 3 congruent sides is: select one: a. equilateral b. sca…
a. Equilateral --- ### Second Question
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solve for x. 30 8x - 4 30 28 x = ?
$x=4$
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multiply $3(y+2)$.select one:a. $3y+2$b. $9$c. $9y$d. $3y+6$the two leg…
1. d. 3y+6 2. b. 13
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solve for a. a = ?
4
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solve for x. $x = \\square$ (simplify your answer. type an integer or a…
$4$
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explore the properties of inscribed angles by following these steps. ✓ …
$25$
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exploring inscribed angles explore the properties of inscribed angles b…
$100^\circ$
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select the reason why these triangles are similar. if they are not, sel…
SSS
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the diameter of a circle is 6 ft, what is its area? select one: a. 28.2…
1. a. 28.26 2. d. $(x+y)/xy$
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select the reason why these triangles are similar. if they are not, sel…
SSS
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what is the y-intercept of the line whose equation is $y=-x-2$? select …
1. d. -2 2. c. 180
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estimate the measure of $angle wxy$ to the nearest $10^{\\circ}$. answe…
$130^\circ$
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find the following measurements of the triangle shown. base = ? units h…
base = 50 units height = 40 units
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the figure on the right is a scaled copy of the figure on the left. ans…
1. IH 2. 2
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question estimate the measure of $angle lmn$ to the nearest $10^{\\circ…
$30^\circ$
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10. a sculpture shaped like a pair of right triangles has leg lengths o…
17 feet
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these triangles are similar. solve for x. 14 93° 57° 28 93° 20 x 57° x …
$x=20$
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question solve the following system of equations graphically on the set…
The solution to the system is $(-8, 0)$ To graph: 1. For $y=\frac{1}{2}x+4$, plot points $(-8, 0)$ and $(0, 4)$, then draw the line through them. 2. For $x+y=-8$, plot points $(-8…
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these polygons are similar. solve for x. 10 x 5 4 x = ?
$x=8$
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the figure on the right is a scaled copy of the figure on the left. ans…
1. IH 2. 2
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identifying angles of elevation and angles of depression use the diagra…
1. The angle of depression from point R to point S is angle **3** 2. The angle of elevation from point S to point R is angle **4** 3. Angle 2 is the angle of elevation from **poin…
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3. directions select up to 1 number line button(s) below. click to acti…
The solution is $x > -4$, represented on the number line with an open circle at $-4$ and an arrow pointing to the right (matching the selected $\boldsymbol{\circ ightarrow}$ butto…
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what is the value of $u$? $\boldsymbol{50^{circ}}$ $\boldsymbol{u}$ wor…
$130$
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angle of elevation ________ angle of depression select one: a. > b. equ…
b. equals the
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$c^{2}=a^{2}+b^{2}$ is called the select one: a. quadratic formula b. s…
1. c. Pythagorean theorem 2. a. right