Triangle Similarity: AA (Sec 7-3, 7-4)

Question 1

Which sequence of similar transformations could map △ABC onto △A'B'C'?dilation and reflectiondilation and translationtranslation and rotationtranslation and reflection

Revolt · Accepted Answer

dilation and reflection

Question 2

rotation of 90 degrees about Breflection across ABdilation with center Ctranslation left

Revolt · Accepted Answer

translation left; The first transformation mapping △ABC to △A'B'C' is a .: translation left; The second transformation mapping △A'B'C' to △A''B''C' is a .: dilation with center C'

Question 3

YXVXVYWVZ

Revolt · Accepted Answer

YXV; We are given that XY is parallel to ZW. If XZ is a transversal that intercepts XY and ZW, angle and angle are alternate interior angles. Since XY is parallel to ZW, we know that these angles are . We: YXV; We are given that XY is parallel to ZW. If XZ is a transversal that intercepts XY and ZW, angle and angle are alternate interior angles. Since XY is parallel to ZW, we know that these angles are . We: WZV; We are given that XY is parallel to ZW. If XZ is a transversal that intercepts XY and ZW, angle and angle are alternate interior angles. Since XY is parallel to ZW, we know that these angles are . We: congruent; We are given that XY is parallel to ZW. If XZ is a transversal that intercepts XY and ZW, angle and angle are alternate interior angles. Since XY is parallel to ZW, we know that these angles are . We: vertical; We are given that XY is parallel to ZW. If XZ is a transversal that intercepts XY and ZW, angle and angle are alternate interior angles. Since XY is parallel to ZW, we know that these angles are . We: AA

Question 4

Given: FH ⊥ GH; KJ ⊥ GJ

Revolt · Accepted Answer

♣ = ♦ = ♠ =: all right angles are congruent; ♣ = ♦ = ♠ =: angle FGH is congruent to angle KGJ; ♣ = ♦ = ♠ =: AA similarity theorem

Question 5

angle FHG is congruent to angle GJKangle HFG is congruent to angle GKJangle FGH is congruent to angle KGJangle GFH is congruent to angle GJK

Revolt · Accepted Answer

angle FGH is congruent to angle KGJ

Question 6

SSS similarity theoremASA similarity theoremAA similarity theoremSAS similarity theorem

Revolt · Accepted Answer

AA similarity theorem

Question 7

Question 112479

Revolt · Accepted Answer

∠M ≅ ∠M''; △LMN ~ △L''M''N''; △LMN ≅ △L''M''N''; The coordinates of vertex N'' are (3, -1.5).

Question 8

Which similarity transformation could map △DEF to △D'E'F'?

Revolt · Accepted Answer

rotation and dilation

Question 9

Triangle XYZ was reflected across m and then dilated to form a similar triangle. Which triangle represents the image?

Revolt · Accepted Answer

[Image: Triangle X Y Z is reflected across line m and then...]

Question 10

Melissa believes that the AA similarity theorem can prove that the triangles are similar. Which fact would be necessary in the proof?

Revolt · Accepted Answer

The sum of the measures of the interior angles of a triangle is 180°.

Triangle Similarity: AA (Sec 7-3, 7-4) Answers

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