Similar vs. Congruent Triangles

∠E ≅ ∠ __

• A

• B

• C

• D

What does it mean for two shapes to be similar?

• Same shape, but different size.

• Same size and same shape.

• Their angles add up to 180^o.

• They are congruent.

Solve for X.

• 2 ft

• 3 ft

• 4 ft

• 6 ft

These two triangles are congruent. If ∠C is 40^o find the measure of ∠F. Hint... be sure to find the measure of ∠F.

• 40^o

• 50^o

• 90^o

• 45^o

This symbol means congruent

• ≅

• ≠

• ∠

• Δ

Determine the relationship of the figures.

• Congruent

• Not Congruent

• Similar

Determine the relationship of the figures.

• Congruent

• Not Congruent

• Similar

Are triangle ABC and triangle DEF similar?

• No

• Yes

Are the triangles similar?

• Yes

• No

Which triangles are similar to triangle A?

• B

• C

• Both

• None