Similarity Review

State the postulate used to show the triangles are similar.

• AA~

• SAS~

• SSS~

• none

State the postulate used to show the triangles are similar.

• AA~

• SAS~

• SSS~

• none

State the postulate used to show the triangles are similar.

• AA~

• SAS~

• SSS~

• none

Based on the drawing, which of the following statements is true?

• The triangles are similar because the lengths of the sides are congruent.

• The triangles are not similar because the corresponding angles are not congruent.

• The triangles are similar because the corresponding angles are congruent.

• Can not determine if the triangles are similar because the scale factor is unknown.

State the postulate used to show the triangles are similar.

• AA~

• SAS~

• SSS~

• none

Based on the drawing, which of the following statements is true?

• The triangles are similar because the lengths of the sides are congruent.

• The triangles are not similar because the corresponding angles are not congruent.

• The triangles are similar because the corresponding angles are congruent.

• Can not determine if the triangles are similar because the scale factor is unknown.

Find a.

• 80

• 16

• 20

• 5

What is the distance from X to the rock, if the triangle are similar?

• 30 feet

• 40 feet

• 50 feet

• 63 feet

Are the triangles similar? If so, explain why.

• Yes, by SSS.

• Yes, by SAS.

• Yes, by AA.

• No

The triangles formed by two ladders leaning against a wall are similar. How long is the shorter ladder?

• 6 ft

• 21 ft

• 28 ft

• 10 ft