Triangle Similarity: AA

Question 1

Which diagram can be used to prove △ABC ~ △DEC using similarity transformations?

Revolt · Accepted Answer

Triangle A B C is rotated about point C and then is dilated to form smaller triangle C E D.

Question 2

Two similar triangles are shown.

Revolt · Accepted Answer

rotated

Question 3

Two similar triangles are shown.

Revolt · Accepted Answer

translated

Question 4

On a coordinate plane, triangle A B C has points (negative 9, 3), (negative 9, 6), (0, 3) and triangle A double-prime B double-prime C double-prime has points (3, negative 1), (3, negative 2), and (0, negative 1).

Revolt · Accepted Answer

a 180° rotation about the origin, then a dilation by a scale factor of

Question 5

Which diagram could be used to prove △ABC ~ △DEC using similarity transformations?

Revolt · Accepted Answer

Triangle A B C is reflected across side A C and then is dilated to form smaller triangle D C E.

Question 6

Which composition of transformations will create a pair of similar, not congruent triangles?

Revolt · Accepted Answer

a rotation, then a dilation

Question 7

Read the proof.Given: AB ∥ DEProve: △ABC ~ △EDC

Revolt · Accepted Answer

AA similarity theorem

Question 8

Triangle A E C is shown. Line segment B D is drawn near point C to form triangle B D C.

Revolt · Accepted Answer

∠BDC and ∠AED are right angles

Question 9

Triangle A B C is reflected and then dilated to form smaller triangle A double-prime B double-prime C double-prime

Revolt · Accepted Answer

a reflection and a dilation

Triangle Similarity: AA Answers

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