Similarity in Geometry

If two triangles are similar, what is the relationship between their corresponding angles?

• They are supplementary

• They are complementary

• They are equal

• They are congruent

In triangle similarity, what does the Side-Angle-Side (SAS) criterion state?

• Two pairs of corresponding sides are equal

• Two pairs of corresponding angles are equal

• Two pairs of corresponding sides and one pair of corresponding angles are equal

• One pair of corresponding sides and two pairs of corresponding angles are equal

In similar triangles, what can be said about the ratio of corresponding sides?

• They are equal

• They are proportional

• They are supplementary

• They are congruent

If two circles are similar, what relationship exists between their radii?

• They are equal

• They are proportional

• They are supplementary

• They are congruent

• A

• B

• C

• D

If two rectangles are similar, what can be said about the ratios of their corresponding sides?

• They are equal

• They are proportional

• They are supplementary

• They are congruent

Which of the following statements is true for corresponding angles of similar polygons?

• They are equal

• They are supplementary

• They are congruent

• They are complementary

If two similar triangles have a ratio of corresponding sides as 3:4, what is the ratio of their areas?

• 3:4

• 9:16

• 1:2

• 5:7

If two triangles are similar, and one triangle has a side length of 5 cm, while the corresponding side in the other triangle is 10 cm, what is the scale factor?

• 1:2

• 2:1

• 1:5

• 5:1

What is the ratio of the perimeters of two similar triangles if their corresponding sides have a ratio of 3:5?

• 3:5

• 5:3

• 6:10

• 10:6