幾何
三角形、円、座標幾何、証明問題。
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in the figure below, r is between q and s, and s is between r and t. if…
$7$
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the point k is the midpoint of $overline{jl}$. find the location of j. …
$-10$
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the point y is the mid - point of $overline{xz}$. find the location of …
14
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if qr = 8x + 1 and qs = 20x - 26, then rs =?
# Explicación: ## Paso1: Identificar la relación entre los segmentos Sabemos que $QS=QR + RS$. ## Paso2: Despejar $RS$ $RS=QS - QR$. ## Paso3: Sustituir valores Sustituimos $QR = …
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find the location of k, the midpoint of (overline{jm}). location of k :
$-1.8$
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if tu = x + 7 and uv = 5x - 13, then uv =?
12
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find the location of y, the midpoint of $overline{xz}$.
1
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find the location of x, the midpoint of (overline{wy}).
$-2$
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find the location of q, the midpoint of $overline{pr}$. location of q :
$-7$
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directions: read the passage, then answer the questions below. 1. who p…
1. No correct answer provided in the question context as it was proposed by the Second Continental Congress and adopted in 1781. 2. False 3. Daniel Shays
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marty wants to plant grass in a rectangular section of his backyard. th…
$30.121$ square meters
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what is the slope of line m?
$-\frac{4}{5}$
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what is the slope of line l?
$-\frac{4}{5}$
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2b. solve for x m∠qhi = 25x, m∠ghq = 18x + 3 and m∠ghi = 175°
$x = 4$
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①this diagram was created by starting with points a and b and using onl…
Steps described above for constructing line CD.
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question 1 - 7 the mid - point of $overline{lk}$ is $m(3,6)$. the coord…
$(6,10)$
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find the coordinates of point c on $overline{ab}$ such that the ratio o…
\((-\frac{1}{3},-2)\)
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what is the length of ln, when m is the mid - point of ln? 5x - 7 3(x +…
126
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find the coordinate of the point p that represents the weighted - avera…
$-6.25$
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question 1 - 3. a line segment has the endpoints b(16,8) and c(12,16). …
$(14,12)$
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what are the coordinates of point u?
(-3,-1)
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which point has coordinates (5, - 3)?
The point with coordinates $(5, - 3)$ is located 5 units to the right of the $y$ - axis and 3 units below the $x$ - axis on the graph.
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which point has coordinates (-3, 1)?
The point is $R$.
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which graph shows rotational symmetry?
The first graph (the graph of \(y=-x\))
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9. the width of a rectangular garden is 6 feet. the area of the garden …
8 feet
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16. if m is the mid - point of (overline{xy}), find the coordinates of …
Coordinates of X are $(2,-8)$; $QS = 42$
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which graph shows line symmetry about the y - axis?
The second graph (from the left) shows line symmetry about the y - axis.
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which graph shows line symmetry about the y - axis?
The graph where the left side of the y - axis is a mirror image of the right side of the y - axis (you would need to visually identify this among the given graphs). Since no ident…
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12. find the coordinates of the point p that lies along the directed se…
12. $(\frac{11}{5},\frac{7}{5})$ 13. $(3,0)$
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find the midpoint of the line segment with endpoints p1(3/12, - 5/7) an…
$(\frac{1}{12},\frac{1}{7})$
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describe the symmetry of this function. no symmetry
no symmetry
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describe the symmetry of this function. line symmetry only rotational s…
line symmetry only
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points t, m, and b are collinear. point t is between m and b. mb = 4x +…
30
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an engineer is designing the parking lot shown in the diagram below for…
$54^{\circ}$
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8. this question has two parts. parallel lines $overleftrightarrow{ln}$…
Part A: $m\angle WPN = 108^{\circ}$ Part B: The angle - relationship used is the corresponding - angles postulate. Corresponding angles formed by parallel lines and a transversal …
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example: in the figure, $overrightarrow{ba}$ and $overrightarrow{bc}$ a…
$60^{\circ}$
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what relationship(s) exist for ∠1 and ∠2? select all that apply vertica…
First pair: Vertical, Congruent Second pair: Vertical, Congruent
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points a, b, c, and d are collinear and positioned in that order. find …
\(BD = 123\) ### 14)
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4. write the equation of the line that is parallel to x = 4 and passes …
$x = - 3$
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find the surface area of a cube with side length of 5 units 5 25 150 750
C. 150
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d the midpoint of the line segment with the given endpoints. (-5, 8), (…
$(-6.5,8.5)$
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find the midpoint of the line segment with the given endpoints 6) (-5, …
$(-4.5,9)$
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hd is the perpendicular bisector of ky such that point d lies on ky. ky…
$y = 13$ $m\angle DBC = 32^{\circ}$
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find the mid - point of the points (5, 7) and (3, 9). ○ (8, 16) ○ (2, -…
E. (4, 8)
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hd is the perpendicular bisector of ky such that point d lays on ky. ky…
$13$
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where is p located if p (-1,2) is translated 5 units up? (-1,7) (4,2) (…
A. (-1,7)
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in what quadrant is the point p(-1, 2) located? o i o ii o iii o iv
B. II
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alicia draws an equilateral triangle and then rotates it about its cent…
C. 120°, E. 240°
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what is the smallest angle of rotational symmetry that maps a regular n…
\(40^{\circ}\)
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what is the least angle measure by which this figure can be rotated so …
180°
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which figures have rotation symmetry? select each correct answer.
The figure on the top - right and the figure on the bottom - right have rotation symmetry.
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what is an angle that is complementary to ∠5?
∠4
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for a regular 30 - sided polygon, what is the degree of rotation? enter…
12
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what is an angle that is supplementary to ∠14?
$\angle15$
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4 rotate the figure below 270° counterclockwise. click to select polygo…
The rotated polygon $A'B'C'D'$ is shown in red on the provided graph.
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3 rotate the figure below 180° counterclockwise. click to select polygo…
The new polygon $A'B'C'D'$ is obtained by applying the rule $(x,y)\to(-x,-y)$ to each vertex of the original polygon $ABCD$ and then connecting the new vertices.
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1 rotate the figure below 90° counterclockwise. click to select polygon…
The green polygon A'B'C'D' is the 90 - degree counter - clockwise rotation of the original polygon ABCD.
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directions: suppose q is the mid - point of pr. use the information to …
13. x = - 8 14. PQ = 31 15. PR = 38 16. x = 13
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directions: find the missing endpoint if s is the midpoint $overline{rt…
10. $T(13,-6)$ 11. $R(-1,-9)$
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math journal jada will draw two scale drawings of the same object on 1 …
No, I do not agree. For example, if the first scale is 1 cm represents 1 m and the second scale is 1 cm represents 2 m, and the actual length of an object is 4 m. In the first dra…
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the scale from a square park to a drawing of the park is 5 m to 1 cm. t…
64 cm²
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7 adela paints a mural of the statue of liberty. she uses the scale 3 f…
$\frac{1}{6}$ ft
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use this figure for question 1,2,3 1) in triangle qpr, name the rays th…
1. Ray QP and Ray QR 2. Ray PQ and Ray PR 3. Ray RQ and Ray RP 4. Collinear means points that lie on the same straight line. Example: Draw a straight line and mark three points A,…
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4) suppose ∠a and ∠b are supplementary angles, m∠a=(3x + 5)°, and m∠b=(…
$x = 37$, $m\angle A=116^{\circ}$, $m\angle B = 64^{\circ}$
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6 the drawing at the right is a plan for a parking lot. each unit of le…
Draw a rectangle (or the appropriate shape based on the actual parking - lot shape) with a perimeter of 21 cm using the scale 1 m = 0.25 cm. Justify by showing that all measuremen…
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3) given ∠r and ∠t are complimentary. if m∠r is 125 what is the m∠t? 4)…
\(m\angle T = 55^{\circ}\)
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find perimeter by measuring lengths mastery check what is the perimeter?
36 cm
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find perimeter by measuring lengths mastery check find the perimeter.
15 cm
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the scale from a garden to this drawing is 8 ft to 1 cm. the scale from…
The correct answer is D. 9.6 cm and 14.4 cm. Kamal might have divided the base and height lengths in the first - scale drawing by 4 instead of using the correct scale - factor rel…
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find perimeter by measuring lengths mastery check cm
26
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examine the polygon in the figure shown. identify a line of symmetry th…
We need more information about the polygon to determine the correct answer. Since no polygon is actually shown, we cannot choose from the given options. If we assume a general - c…
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symmetry quick check which of the following summarizes the reflections …
D. A parallelogram does not have any lines of reflection
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symmetry quick check what is the smallest degree measure for a regular …
60°
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symmetry quick check which statement best summarizes the rotations that…
A. A square will rotate onto itself after 90 - degree, 180 - degree, 270 - degree, and 360 - degree rotations.
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a quadrilateral has vertices (0,0), (-8,0), (0,-6) and (-8,-6). complet…
$x = - 4$
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the polygon shown has a line of reflection that will cause the figure t…
$x = - 3$
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use the image to answer the question. determine the degree of rotation …
$360$
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unit 4 transformations > lesson 8 symmetry back to intro page symmetry …
60
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15. △rst∼△pqw. find the unknown side lengths. a = 5 16. t △lm is 40 cm²…
The length \(r=\frac{35}{3}\mathrm{cm}\approx11.67\mathrm{cm}\), \(w = \frac{54}{7}\mathrm{cm}\approx7.71\mathrm{cm}\), and the area of \(\triangle ABC\) is \(25.6\mathrm{cm}^{2}\…
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14. two ropes are attached to the bottom of a hot air balloon. the rope…
$10\sqrt{3}+5\sqrt{21}\text{ m}\approx40.24\text{ m}$
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13. two buildings are built besides each other. a video camera is mount…
$190.86$ m
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12. sue is on a lake in a boat 35 m away from the bottom of a cliff. wh…
The height of the cliff is approximately 29.4 m.
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applicationa=30 thinking30 11. solve for the unknowns in the diagrams b…
a) \(c\approx26.15\), \(BC\approx21.42\) b) \(x\approx21.93\), \(\theta\approx61.31^{\circ}\)
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10. for the following triangle, state the 3 primary trig ratios in rela…
$\sin A=\frac{5}{13}$, $\cos A=\frac{12}{13}$, $\tan A=\frac{5}{12}$
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10. for the following triangle, state the 3 primary trig ratios in rela…
$\sin A=\frac{5}{13}$, $\cos A=\frac{12}{13}$, $\tan A=\frac{5}{12}$
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right triangles 8. evaluate to 4 decimal places: cos 12° 2 9. solve for…
8. $\cos12^{\circ}\approx0.9781$ 9. a) $x\approx5.1$ b) $x\approx19.2$ c) $\theta\approx48.8^{\circ}$
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7. a 4 m ladder is leaning against a wall. this ladder reaches 3.5 m up…
$5.25$ m
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6. to determine the distance ab across a pond, surveyors measured the d…
$6.8$ m
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find the domain and range for each graph. 1) domain: ____ range: ____ 2…
1. **For the first graph**: - **Explanation**: - **Step 1: Identify domain** - The left - most \(x\) value is \(- 4\) (open - circle) and the right - most \(x\) value is \(0\) (cl…
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which angle is adjacent to ∠5?
∠3, ∠6
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which angle is supplementary to ∠4? ∠5 ∠2 ∠6 ∠1
∠2
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what is the missing length? area = 3025 ft² s = feet
55
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which figure has a greater area? 68 ft 68 ft 61 ft 74 ft
The pink - colored square (with side - length 68 ft) has a greater area.
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which figure has a greater area? 25 ft 28 ft 24 ft 24 ft
The first figure (the rectangle with sides 28 ft and 25 ft) has a greater area.
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find the area. simplify your answer. 2x x
$2x^{2}$
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which figure has a greater area? 30 yd 30 yd 33 yd 33 yd
The square with side - length 33 yd.
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what is the area of this square? 24 km square kilometers
576
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what is the missing length? area = 121 yd² s = yards
11
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what is the area? 36 in 31 in square inches
1116
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what is the area of this square? 40 km square kilometers
1600