Similarity and Congruence Basics

Are these triangles similar?

• Yes

• No

The pair of figures is similar. Find the missing side.

• x = 12

• x = 3

• x = 40

• x = 4

The pair of figures is similar. Find the missing side.

• x = 20

• x = 12

• x = 5

• x = 4

The pair of figures is similar. Find the missing side.

• x = 10

• x = 4

• x = 2

• x = 5

What does congruent mean?

• corresponding sides and angles are congruent

• corresponding sides are proportional and corresponding angles are congruent

• sames shape

• neither sides or angles are congruent

Which definition below best describes the definition of congruent?

• corresponding sides and angles are the same measure.

• corresponding sides are proportional and corresponding angles are congruent

• same shape

• neither sides or angles are congruent

The pair of polygons is similar. Find the missing side measure.

• 3 units

• 3.4 units

• 2.7 units

• 4 units

Find the value of x in the pair of similar figures.

• 10 m

• 2 m

• 2.5 m

• 40 m

Which statement about the triangles at the right is true?

• ΔABC is not similar to ΔADF

• ΔABC is similar to ΔADF

• ∠BAC is not congruent to ∠DAF

• ΔABC is congruent to ΔADF

Two objects that are the same shape but not the same size are _______.

• Congruent

• Vertical

• Similar

• Complementary