Similarity Review

Front

What is the ratio of pine trees to all trees if there are 16 Christmas trees and 24 pine trees?

Back

Front

What is the scale factor from shape ABCD to shape MNOP if the dimensions of MNOP are 1.5 times larger?

Back

Front

Back

The length of side DE is 15 cm.

Front

Are two triangles similar if one has angles 30°, 60°, and 90° and the other has angles 30°, 60°, and 90°?

Back

Yes; AA (Angle-Angle) similarity.

Front

What is the scale factor from triangle ABC to triangle DEF if the sides of DEF are twice as long as those of ABC?

Back

The scale factor is 2.

Front

If triangle ABC has sides of lengths 6, 8, and 10, and triangle DEF has sides of lengths 3, 4, and 5, are the triangles similar?

Back

Yes; SSS (Side-Side-Side) similarity.

Front

What is the ratio of the areas of two similar triangles if their corresponding sides are in the ratio 2:3?

Back

Front

Back

The length of side CE in triangle DEF is 31.5 cm.

Front

What is the definition of similar figures?

Back

Similar figures have the same shape but may differ in size; their corresponding angles are equal and their corresponding sides are proportional.

Front

Back

The length of the corresponding side in DEF is 10 cm.