幾何
三角形、圓、解析幾何與證明題。
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pr and su are parallel lines. which angles are supplementary angles? ∠r…
$\angle RQO$ and $\angle PQO$
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df and gi are parallel lines. which angles are corresponding angles? ∠d…
$\angle DEH$ and $\angle GHJ$
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question 1 the guidance triangle consists of the following: child, situ…
adult, situation, child
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chaya has a map that shows the lengths of some hiking trails. the scale…
50000
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chaya has a map that shows the lengths of some hiking trails. the scale…
1. 0.5 2. 3
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oscar has a map of the campground where he is staying. the scale shows …
a) $\frac{1}{2}$ b) $1.25$ mi
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oscar has a map of the campground where he is staying. the scale shows …
## a. $\frac{1}{2}$ ## b. $1.5$
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oscar has a map of the campground where he is staying. the scale shows …
0.5 (in miles per inch)
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practice & problem solving leveled practice in 14 - 25, find each quoti…
20. \(\frac{23}{59}\) 21. \(6\) 22. \(\frac{21}{104}\) 23. \(\frac{4}{7}\) 24. \(1\frac{3}{4}\) 25. \(2\frac{1}{2}\) 26. \(9\) steps 27. \(24.5\) in.
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as shown in the figure below, in right triangle abc, m∠bac = 90°, ad ⊥ …
C. $2\sqrt{3}$
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as shown in the figure below, in right △abc, m∠bac = 90°, ad⊥bc at d. i…
D. \(\frac{\sqrt{6}}{3}\)
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point (x, y) is reflected over the y - axis, and then translated 5 unit…
$(-x + 5,y - 2)$
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fill - in - the - blank as shown in the figure, point d is a point on $…
$\sqrt{10}$
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point h(5, 3) is translated 4 units down and 3 units to the left to get…
$(2,-1)$
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written response as shown in the figure, in △abc, d and e are on $overl…
$4.8$
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problem 2 points d and e are plotted on the coordinate plane. plot the …
| Point | Coordinates | | ---- | ---- | | $D'$ | $(-3,3)$ | | $E'$ | $(-5,0)$ |
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fill - in - the - blank if $\triangle adesim\triangle acb$, $\frac{ad}{…
15
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problem 1 plot the location of points a, b, and c after a translation 4…
| Point | Coordinates | |--|--| | $A'$ | $(-1,6)$ | | $B'$ | $(6,3)$ | | $C'$ | $(4,1)$ |
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25. communicate and justify suppose you plot the locations of the anima…
The fanfin anglerfish, with a depth of $-2\frac{1}{4}$ km, is farthest from 0 on the number line because its absolute - value $|-2\frac{1}{4}| = 2.25$ is the largest among the giv…
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plot the location of points a, b, and c after a translation 4 units to …
| Point | Coordinates | | ---- | ---- | | \(A'\) | \((-1,6)\) | | \(B'\) | \((6,3)\) | | \(C'\) | \((4,1)\) |
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determine the coordinates of each point after the shaded pre - image is…
| Pre - Image Coordinates | Image Coordinates | |----|----| |$(-2,0)$|$(-2,0)$| |$(-2,2)$|$(-2,-2)$| |$(-1,3)$|$(-1,-3)$| |$(1,3)$|$(1,-3)$| |$(0,1)$|$(0,-1)$|
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fill - in - the - blank as shown in the figure, $overline{ab}parallelov…
$\frac{1}{4}$
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find the measure of x. round to the nearest hundredth
$18.88$
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find the measure of x. 78° 26 x x =? round to the nearest hundredth
$25.43$
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find the measure of x. round to the nearest hundredth.
$25.99$
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find the measure of x. round to the nearest hundredth
$17.04$
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find the measure of x. round to the nearest hundredth
$18.81$
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given m||n, find the value of x. answer attempt 1 out of 2 x =
\(x=-9\)
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given m||n, find the value of x. answer attempt 2 out of 2 x =
\(x = 14\)
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trigonometry progress. the movement of the progress bar may be uneven b…
$29.6$
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if you know the pre - image coordinates, how can you find the image coo…
Reflection: For reflection over x - axis, change the sign of the y - coordinate. For reflection over y - axis, change the sign of the x - coordinate. For reflection over $y = x$, …
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what are the exact values of a and b? o a = 5√3,b = 5 o a = 5,b = 5√2 o…
$a = 5,b = 5\sqrt{3}$ (corresponding to the last option)
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reflection pre - image coordinates image coordinates (4,5) (-4,5) (6, -…
For $(3,1)$: $(-3,1)$ For $(x,y)$: $(-x,y)$
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here are the coordinates of the pre - image and image of triangle cat. …
If the x - coordinates of the pre - image and image points of triangle CAT are the same and the y - coordinates change sign, the answer is Reflection over the x - axis. If the y -…
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show what you know here are the coordinates of the pre - image and imag…
Reflection over the x - axis
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3 find the value of x if necessary. round to the nearest tenth
10.3 in (closest value among the options)
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solve for the value of e. (6e + 2)° 82° answer attempt 2 out of 2 e =
$e=\frac{40}{3}$
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determine the coordinates of each point after a translation 4 units rig…
| Pre - Image Coordinates | Image Coordinates | |--|--| |$(-4,5)$|$(0,2)$| |$(0,5)$|$(4,2)$| |$(-4,-1)$|$(0,-4)$|
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solve for the value of e. answer attempt 1 out of 2 e =
$e = 4$ (assuming the equation $6e + 2$ is set equal to the correct angle value that results in $e = 4$)
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solve for the value of e. (6e + 2)° 82° answer attempt 1 out of 2 e =
\(e = \frac{40}{3}\)
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basketball bonanza directions: use the pictures of the basketball score…
1. 19 2. 32.5 3. $4+(-19)(-2)$, $50-(-12)-20$, $5-(-36)+1$ 4. $0 + 23$ (and other possible arithmetic combinations that sum to 23)
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graph the set {x | -2 ≤ x ≤ 1} on the number line. then, write the set …
On the number line: Place closed - circles at -2 and 1 and draw a line segment between them. In interval notation: $[-2,1]$
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determine whether the graphs of the given equations are parallel, perpe…
B. Perpendicular
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graph the linear equation. y = 5 use the graphing tool to graph the lin…
A horizontal line passing through the point $(0,5)$ (and all points where $y = 5$) on the coordinate - plane.
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para el siguiente triángulo rectángulo, hallar la longitud del lado x.
17
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para el siguiente triángulo rectángulo, hallar la longitud del lado x.
$41$
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identificar un par de ángulos suplementarios y un par de ángulos opuest…
# Explicación: ## Paso1: Definición de ángulos suplementarios Dos ángulos son suplementarios si la suma de sus medidas es 180°. En la figura, los ángulos adyacentes formados por u…
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10. find the value of x for which abcd must be a parallelogram. 4 19 18…
4
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9. find the value of x for which abcd must be a parallelogram. b 16x - …
9
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8. find the value of x for which abcd must be a parallelogram. 18 - 4x …
1
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7. find the value of x for which abcd must be a parallelogram. 1 102 81…
2
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en la figura siguiente, m∠3 = 109°. hallar m∠1, m∠2 y m∠4. m∠1 = m∠2 = …
# Explicación: ## Paso 1: Identificar ángulos opuestos por el vértice Los ángulos 1 y 3 son opuestos por el vértice, así como los ángulos 2 y 4. Los ángulos opuestos por el vértic…
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6. find the value of x for which abcd must be a parallelogram. (15x + 2…
3
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en la figura siguiente, m∠2 = 31°. hallar m∠1, m∠3 y m∠4. m∠1 = 149° m∠…
# Explicación: ## Paso 1: Identificar ángulos opuestos por el vértice Los ángulos $\angle2$ y $\angle4$ son opuestos por el vértice, así que $m\angle4 = m\angle2$. Dado que $m\ang…
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5. find the value of x for which abcd must be a parallelogram. (x + 3)°…
$x = 4$
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5. find the value of x for which abcd must be a parallelogram. (x + 31)…
$x = 32$
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en la figura siguiente, m∠2 = 31°. hallar m∠1, m∠3 y m∠4. m∠1 = m∠3 = m…
# Explicación: ## Paso 1: Identificar ángulos opuestos por el vértice Los ángulos opuestos por el vértice son iguales. Ángulo 1 y ángulo 2 son suplementarios, y ángulo 2 y ángulo …
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4. find the value of x for which abcd must be a parallelogram. -2x + 7 …
$0.8$
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en la figura siguiente, m∠1 = 67°. hallar m∠2, m∠3 y m∠4. m∠2 = m∠3 = m…
# Explicación: ## Paso 1: Identificar ángulos opuestos por el vértice Los ángulos opuestos por el vértice son iguales. El ángulo ∠1 y ∠3 son opuestos por el vértice, y ∠2 y ∠4 son…
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to indirectly measure the distance across a lake, isaac makes use of a …
$71.05$ m
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3. find the value of x for which abcd must be a parallelogram. 14 1 7 4
4
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en la figura siguiente, m∠4 = 132°. hallar m∠1, m∠2 y m∠3. m∠1 = m∠2 = …
# Explicación: ## Paso 1: Identificar ángulos opuestos por el vértice Los ángulos opuestos por el vértice son iguales. Ángulo 1 y ángulo 4 son opuestos por el vértice, y ángulo 2 …
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2. find the value of x for which abcd must be a parallelogram. 9.6 13 1…
$1.3$
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en la figura siguiente, m∠2 = 49°. hallar m∠1, m∠3 y m∠4. m∠1 = m∠3 = m…
# Explicación: ## Paso 1: Identificar ángulos opuestos por el vértice Los ángulos opuestos por el vértice son iguales. Ángulo 1 y ángulo 2 son suplementarios, así como ángulo 3 y …
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1. find the value of x for which abcd must be a parallelogram. (3x - 17…
7
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en la figura siguiente, m∠3 = 68°. hallar m∠1, m∠2 y m∠4. m∠1 = m∠2 = m…
# Explicación: ## Paso 1: Identificar ángulos opuestos por el vértice Los ángulos opuestos por el vértice son iguales. $\angle1$ y $\angle3$ son opuestos por el vértice, y $\angle…
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homework: unit 5 - algebra part 2 question 11, 10.1.77 find the perimet…
26
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△abc y △pqr son semejantes. hallar la longitud lateral desconocida. (lo…
# Explicación: ## Paso 1: Establecer la proporción Como $\triangle ABC$ y $\triangle PQR$ son semejantes, las proporciones de sus lados correspondientes son iguales. Entonces, $\f…
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△abc y △def son semejantes. hallar la longitud lateral desconocida. (lo…
# Explicación: ## Paso 1: Establecer la proporción Dado que $\triangle ABC$ y $\triangle DEF$ son semejantes, las razones de los lados correspondientes son iguales. Entonces, $\fr…
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△abc y △def son semejantes. hallar la longitud lateral desconocida. (lo…
# Explicación: ## Paso 1: Establecer la proporción Como $\triangle ABC$ y $\triangle DEF$ son semejantes, las proporciones de sus lados correspondientes son iguales. Sea el lado d…
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the area, a, of a rectangle is 120x² + 78x - 90, and the length, l, of …
$10x - 6$
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the area of a plane figure is a measure of the amount of surface of the…
$\frac{7}{100}$
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to indirectly measure the distance across a lake, moussa makes use of a…
$4.73$ m
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to indirectly measure the distance across a lake, bilquis makes use of …
$190.43$ m
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10. look at the figure, ▱pqrs. find the values of x and y. options: - x…
# Explanation: ## Step1: Use property of parallelogram diagonals In a parallelogram, the diagonals bisect each other. So, for the diagonals of parallelogram $PQRS$, we have $2x=x …
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2. here are two similar polygons. measure the side lengths and angles o…
For problem 2: Corresponding angles of similar polygons are equal and ratios of corresponding side - lengths are equal. For problem 3: First, find the center of dilation by findin…
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10. look at the figure, ▱pqrs. find the values of x and y. options: x =…
# Explanation: ## Step1: Use property of parallelogram diagonals In a parallelogram, the diagonals bisect each other. So, $2x=x + 2$. ## Step2: Solve for $x$ Subtract $x$ from bot…
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9. in the parallelogram, m∠klo = 68 and m∠mlo = 61. find m∠kjm. the fig…
129
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8. look at the figure, ▱pqrs. find m∠p.
\(144^{\circ}\)
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7. look at the figure, ▱fgme. find the length of $overline{gm}$. 15 25 …
10
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6. in ▱efgh, find the measure of ∠gfh.
B. $30^{\circ}$
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the length of a rectangle is 1 yd more than double the width, and the a…
Length: 10 yd Width: 4.5 yd
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5. wxyz is a parallelogram. name an angle congruent to ∠wzy. ∠xwz ∠zxw …
∠WXY
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4. look at the figure, ▱jklm. find the length of $overline{jk}$. 14 + 2…
24
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3. abcd is a parallelogram. if m∠dab = 105, then what is m∠bcd? 65 105 …
B. 105
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2. look at the figure, ▱fhjm. find the length of $overline{hj}$.
42 m
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1. efgh is a rectangle. ea is 12 in. find the length of the diagonal ef…
24 in
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the perimeter of a geometric figure is the sum of the lengths of its si…
The side - lengths are: three sides of length 6 meters and two sides of length $2.5\times6 = 15$ meters.
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patsys pizza sells one 12 - inch cheese pizza or two 8 - inch cheese pi…
B. The 12 - inch pizza gives more pizza with an area of 113.10 square inches.
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a lawn is in the shape of a trapezoid with a height of 60 feet and base…
2
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how many sides do 3 heptagons, 1 dodecagon, and 5 nonagons have in all?…
78
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lesson 6: practice problems 1. each diagram has a pair of figures, one …
For the first pair of figures on the rectangular grid: Dilation with a scale factor of 2 centered at the origin followed by a translation. For the second pair of figures on the po…
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a rectangle has an area of 45x^2 - 42x - 48 and a width of 5x - 8. what…
$9x + 6$
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given: • ab ≅ de • ac ≅ df • bc ≅ ef • ∠a ≅ ∠d • ∠b ≅ ∠e • ∠c ≅ ∠f proo…
$\triangle ABC$ is congruent to $\triangle DEF$ as shown by the series of rigid - motion and congruence - property applications.
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look at this shape: which image shows a reflection? a b c a b c
C
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use the side - angle - side triangle congruence theorem in a proof. sup…
Highlight $\overline{AB}\cong\overline{DE}$, $\overline{AC}\cong\overline{DF}$, $\angle A\cong\angle D$ and the lines in the proof where these congruences are used to show $\trian…
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three branches of government quiz read each question and circle the cor…
1. c. the Senate & House of Representatives 2. b. Executive 3. c. life 4. c. Judicial 5. a. commander - in - chief 6. c. elected by the people 7. b. veto 8. a. Legislative 9. a. 2…
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the measure of an angle is 170.1°. what is the measure of its supplemen…
\(9.9^{\circ}\)
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what is the value of q? 117.9° your answer: 62.1°
62.1
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the measure of an angle is 58.4°. what is the measure of its complement…
\(31.6^{\circ}\)