Similar Triangles and Congruence

The triangles are congruent. Which of the following statements must be true?

• ∠A ≅ ∠D

• ∠B ≅ ∠E

• AB ≅ DE

• AB ≅ EF

Which is a correct congruence statement.

• A

• B

• C

• D

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

Consider that ∆LSI ≅ ∆PMI, m∠P = ________.

• 90⁰

• 50⁰

• 40⁰

• 30⁰

Use the given figure above. Given: ∆JAW ≅ ∆BOX. If m∠A = 90⁰ and m∠X = 30⁰, what is m∠O?

• 90⁰

• 60⁰

• 45⁰

• 30⁰

Two figures that are exactly the same shape and size are said to be ___________.

• Alike

• Congruent

• Similar

• Corresponding

Congruency of triangles are symbolically written as ____.

Corresponding ________ of congruent triangles are congruent.

• Angles

• Vertices

• Sides

• Parts

What is m∠B?

• 55˚

• 60˚

• 65˚

• 70˚

∆___ ≅ ∆RST

• ∆ABC

• ∆BCA

• ∆CAB

• ∆BAC