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Warm-Up

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Are the 2 triangle congruent? If so, write the theorem or postulate that proves them congruent. Write a congruency statement.

A

B

D

C

4.6:Congruence in Right Triangles

Objective: To prove triangles congruent by the HL Theorem

Legs

Special Case where there is an ‘SSA’ congruence rule

Has to be a right triangle!!

Hypotenuse

If the hypotenuse and a leg of one right triangle are to a hypotenuse and a leg of another right triangle, then the 2 triangles are .

V

c D S T

F

- You have 2 right triangles
- The triangles have hypotenuses
- The triangles have one pair of legs

X

Y M Z