几何
三角形、圆、解析几何与证明题。
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20. a linear pair is a pair of adjacent angles whose non - common sides…
\(180^{\circ}\) (the second option)
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19. which term describes two angles that sum up to 90 degrees? suppleme…
Complementary angles
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the graph shows triangles lmn and lmn. which sequence of transformation…
a reflection across the \(x\) - axis followed by a translation left \(12\) units
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18. what is the degree measure of the complement of a 75° angle? 75° 15…
\(15^{\circ}\)
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17. which pair of angles is often adjacent and their measures total 180…
Supplementary angles
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a rectangle has a length of 18 cm and a width of 4 cm. what is its peri…
\(44\) cm
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16. are adjacent angles always supplementary? no only if they add up to…
No
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15. in a linear pair, one of the angles measures 80 degrees. what is th…
\(100^{\circ}\) (corresponding to the third option)
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14. if one angle of a supplementary pair is 130 degrees, what is the me…
\(50^{\circ}\) (the fourth option)
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13. what is the sum of the measures of a pair of complementary angles? …
\(90^{\circ}\)
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4. the graph shows the relationship between the diameter and the circum…
\((2,2\pi)\), \((3,3\pi)\), \((4,4\pi)\)
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7. an observer at the top of a building sees a car on the road below. t…
\(h = 26.585m\approx26.6m\)
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12. select all that apply: what kind of angles share a common vertex an…
Adjacent angles, Linear angles
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11. what do you call two angles whose sum is 180 degrees? adjacent angl…
Supplementary angles
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10. what is the sum of angles in a linear pair? 270 degrees 180 degrees…
180 degrees
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9. what do you call two angles whose sum is 90 degrees? linear pair adj…
C. Complementary angles
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20. the perimeter of a square is 96 feet. what is the length of one sid…
\(24\) feet
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look at this shape: which image shows a reflection? a b c a b c
B
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intro to adjacent angles, vertical angles, & linear pair... identify th…
A. Sum is \(180^{\circ}\), B. Are Supplementary, C. Form a Line
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determine whether a translation maps undefined onto undefined △ pqr. if…
No, because the relative positions and orientations of the points of \(\triangle PQR\) and the lower triangle (assuming it is \(\triangle P'Q'R'\)) do not satisfy the property of …
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19. the length of one side of a square is 7.5 meters. what is the perim…
\(30\) meters
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6. a ladder that is 20ft long is leaning against the side of a building…
The bottom of the ladder is approximately \(5.18\) ft from the base of the building.
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17. find the area of a square with a side length of 2.2 meters.
The area of the square is \(4.84\) square meters.
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complete the proof that \\( \\angle g i h \\cong \\angle e i f \\). 1 \…
\(\angle GIH\cong\angle EIF\) (Definition of congruent angles)
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what combination of transformations is shown below? rotation, then tran…
rotation, then translation
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17. find the area of a square with a side length of 2.2 meters. 19. the…
The area of the square is \(4.84\) square meters. ---
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∠f and ∠h are supplementary and ∠f and ∠g are supplementary. complete t…
1. Given 2. Given 3. Definition of supplementary angles 4. Definition of supplementary angles 5. Transitive property of equality 6. Subtraction property of equality 7. Definition …
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yz ⊥ xy and vw ⊥ uv. complete the proof that ∠xyz ≅ ∠uvw. 1 yz ⊥ xy giv…
For statement 3, the reason is "Definition of perpendicular lines". For statement 4, the reason is also "Definition of perpendicular lines".
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△bcd is a translation of △bcd. write the translation rule. $(x,y)\to(x-…
\((x,y)\to(x - 6,y-12)\)
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5. an airplane climbs at an angle of 18° with the ground. find the grou…
The ground distance the plane travels is approximately \(2377.75\) m.
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△hij is a translation of △hij. write the translation rule. submit
\((x,y)\to(x - 9,y + 13)\)
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complete the proof that ( overleftrightarrow{qs} perp overleftrightarro…
1. Definition of congruent angles 2. Linear - pair postulate 3. Substitution property 4. Division property of equality 5. Definition of perpendicular lines
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6. angles formed by 2 intersecting lines that are not adjacent and are …
Vertical
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what combination of transformations is shown below? translation, then r…
rotation, then translation
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what combination of transformations is shown below? rotation, then tran…
rotation, then translation
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question 5 03:00 * required 4 5. select all that apply: linear pairs...…
Are adjacent angles, Are supplementary, Form a line, Sum is \(180^{\circ}\)
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what combination of transformations is shown below? rotation, then refl…
rotation, then translation
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look at this shape:which image shows a translation?
B.
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look at this shape:which image shows a rotation?
C.
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look at this shape:which image shows a rotation?
B.
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4. adjacent angles must have the same vertex true false
True
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look at this shape. which image shows a reflection?
B
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4. a 15 m pole is leaning against a wall. the foot of the pole is 10 m …
The angle the pole makes with the ground is approximately \(48.19^{\circ}\)
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△xyz is a translation of △xyz. write the translation rule. (x,y)→(x−□,y…
\((x,y)\to(x - 9,y - 8)\)
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3. select all that apply: in the example what are the adjacent angles? …
$\angle E$ & $\angle F$, $\angle F$ & $\angle G$
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intro to adjacent angles, vertical angles, & linear pair...complementar…
False
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2. supplementary angles are a pair of angles that add up to 90° true fa…
B. False
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instructional video: pairs of angles intro to adjacent angles, vertical…
True
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solve the inequality. 8 + k ≤ -3 the solution is k ≤ -11 graph the solu…
The solution is \(k\leq - 11\). On the number - line, we place a closed - circle at \(-11\) (because the inequality is \(\leq\), meaning \(-11\) is included in the solution set) a…
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error analysis your friend incorrectly says that the reflection of \\( …
D. \(\triangle E'F'G'\) is the image of \(\triangle EFG\) after a reflection across the line \(x=-2\)
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what are the perimeter and area of rectangle abcd? the perimeter is ent…
Perimeter is \( 20 \), Area is \( 24 \).
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nen, complete your \check your understanding\ assignment below. you hav…
Translate \(\triangle KBN\) \(8\) units down and then reflect over the \(x -\)axis.
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suppose line m is the line with the equation x = -5, line n is the line…
A. \((9,-1)\), B. \((6,-8)\), C. \((-1,1)\)
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suppose line m is the line with the equation x = -5, line n is the line…
\(B'(6,-8)\)
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justify whether the statement is always, sometimes, or never true for t…
The statement is sometimes true if \(a\) and \(b\) are non - negative.
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suppose line m is the line with the equation ( x = - 5 ), line n is the…
A. \((-3,9)\), B. \((4,6)\), C. \((-1,1)\)
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b. all the segments drawn from a vertex of the preimage to the correspo…
The statement is “always” true because “all” of the points of the pre - image slide along the same vector that represents the translation. “All” of these lines are parallel.
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2. you are floating in an inner - tube on lake michigan, 260 feet away …
The angle is approximately \(22.4^{\circ}\)
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suppose line m is the line with the equation x = -5, line n is the line…
\(B'(4,6)\)
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part 1 of 3 suppose line m is the line with the equation ( x = - 5 ), l…
\((-3,9)\)
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the vertices of \\( \\triangle abc \\) are \\( a(-4,4) \\), \\( b(-2,2)…
\((-3,0)\)
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2. here is quadrilateral abcd. quadrilateral pqrs is a scaled copy of q…
# Explanation: ## Step1: Determine the scale factor Since quadrilateral \(PQRS\) is a scaled copy of \(ABCD\), the scale factor \(k\) is the ratio of corresponding side lengths. L…
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enter the correct answer. these tables are similar. find w. 26 13 w 7
$14$
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these televisions are similar. find w. 9 16 48
\(27\)
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1 find the area of \\( \\delta msg \\).
# Explanation: ## Step1: 삼각형의 높이 \( SN \) 구하기 \( \triangle MSN \)에서 \( \angle M = 20^{\circ} \), \( MN = 2 + GN \). 하지만 \( \triangle SGN \)에서 \( \angle SGN = 180^{\circ}-(180^{\ci…
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given points j(2,5), a(6,4), and r(4,2), graph \\( \\triangle jar \\) a…
B.
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look at this diagram: if (overleftrightarrow{gi}) and (overleftrightarr…
\(54\)
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given points j(2,5), a(5,4), and r(3,2), graph △jar and its reflection …
B.
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look at this diagram: if ( overleftrightarrow{tv} ) and ( overleftright…
$64$
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does the transformation appear to be a rigid motion? explain. choose th…
A. The transformation is not a rigid motion because the corresponding sides do not appear to be the same size.
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what are the coordinates of point $(x,y)$ when it is reflected across t…
\((x, -y)\) (corresponding to the third option in the given multiple - choice list)
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look at this diagram! if (overleftrightarrow{tv}) and (overleftrightarr…
\(57\)
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does the transformation appear to be a rigid motion? explain. choose th…
A. The transformation is a rigid motion because all corresponding angles and sides appear to be the same size.
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12. how is the solution x is less than 2 represented on a number line? …
A. Open circle at 2, shaded to the left
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look at this diagram: if \\( \\overleftrightarrow{pr} \\) and \\( \\ove…
\(115\)
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can a figure be reflected across three lines of reflection so the image…
D. Yes. It is possible to map a figure onto itself with 3 reflections if the figure is a regular figure and has symmetry, such as a square.
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look at this diagram: if \\( \\overleftrightarrow { m o } \\) and \\( \…
\(124\)
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dana reflects point a(2,5) across line … to get image point a(6,1). wha…
\(y=x - 1\)
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describe the translation.
\((x,y)\to(x + 1,y-4)\)
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for the miniature golf hole, jacob wants to bounce the ball off the bac…
B.
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look at this diagram: if (overline{hj}) and (overline{kn}) are parallel…
\( 60^{\circ} \)
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jacob is playing miniature golf. he states that he cannot hit the ball …
B.
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given the diagram, determine the relationship of each set of angles. a)…
a) Supplementary angles b) Alternate interior angles c) Consecutive interior angles d) Corresponding angles e) Alternate exterior angles f) Alternate exterior angles
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jacob is playing miniature golf. he states that he cannot hit the ball …
C. Jacob is incorrect. To make the shot, he should first reflect the hole over the back wall. Then connect where he is starting with the reflection of the hole with a line. He sho…
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in the diagram below, which two lines are parallel? type capital letter…
Line \(A\) and Line \(D\)
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in the diagram shown, \\( \\overline { a b } \\parallel \\overline { c …
\(128\)
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look at this diagram: if \\( \\overleftrightarrow{np} \\) and \\( \\ove…
\(65\)
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select all of the transformations that preserve distance. $(x,y)\\to(y …
\((x,y)\to(y - 4,x + 3)\), \((x,y)\to(y,-x)\), \((x,y)\to(x,y)\), \((x,y)\to(-x - 2,y + 9)\)
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quadrilaterals hdkn and hdkn are shown on the coordinate grid where qua…
\((x,y)\to(x + 5,y+3)\)
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directions - use the midpoint formula to find the midpoint of the (-5,5…
\((-1.5,4.5)\)
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5 ab has endpoint ( a(-2,3) ) and midpoint ( m(4,6) ). find the coordin…
\((10,9)\)
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#3 draw the angle and then find the measure of its reference angle. a) …
a) The reference angle of \(280^{\circ}\) is \(80^{\circ}\) b) The reference angle of \(-135^{\circ}\) is \(45^{\circ}\) c) The reference angle of \(101^{\circ}\) is \(79^{\circ}\)
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12. in △abc, if (overline{ac}congoverline{cb}), (mangle a=(3x + 18)^{ci…
For problem 12: \(x = 19\), \(m\angle A=75^{\circ}\), \(m\angle B=75^{\circ}\), \(m\angle C=32^{\circ}\) For problem 13: \(x = 6\), \(m\angle Q=31^{\circ}\), \(m\angle R=118^{\cir…
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a side - side - side congruent triangle theorem b side - angle - side c…
E. Hypotenuse Leg Congruent Triangle Theorem
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directions - use the midpoint formula to find the midpoint be (-4,9) an…
\((-1,5)\)
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point a is at (-6,8) and point b is at (6,-7). what is the midpoint of …
\((0,0.5)\)
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a side - side - side congruent triangle theorem b side - angle - side c…
B. Side - Angle - Side Congruent Triangle Theorem
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a side - side - side congruent triangle theorem b side - angle - side c…
C. Angle - Angle - Side Congruent Triangle Theorem
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a side - side - side congruent triangle theorem b side - angle - side c…
A. Side - Side - Side Congruent Triangle Theorem
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11. if \\( \\triangle a b c \\) is an isosceles triangle and \\( \\tria…
\(x = 19\), \(m\angle A=75^{\circ}\), \(m\angle B=75^{\circ}\), \(m\angle C=30^{\circ}\)