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1-1a Slide 1 of 2 (over Lesson 6-4)

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Presentation on theme: "1-1a Slide 1 of 2 (over Lesson 6-4)"— Presentation transcript:

1 1-1a Slide 1 of 2 (over Lesson 6-4)

2 1-1b Slide 1 of 2 (over Lesson 6-4)

3 You will learn to use tests for _________ of ____ triangles. 1) _________ 2) ____ congruenceright hypotenuse legs

4 In a right triangle, the side opposite the right angle is called the _________. hypotenuse The two sides that form the right angle are called the ____. legs leg

5 Recall from earlier this unit, we studied various ways to prove triangles to be congruent: In 8-1, we studied two theorems and A B C R S T A B C R S T

6 Recall from earlier this unit, we studied various ways to prove triangles to be congruent: In 8-2, we studied two theorems and R S T A B C R S T A B C

7 The theorems mentioned in this unit, were for ALL triangles. So, it should make perfect sense that they would apply to right triangles as well. Theorem 8-2 HL Postulate If the hypotenuse and a leg on one right triangle are congruent to the hypotenuse and corresponding leg of another right triangle, then the triangles are congruent. A C B D F E

8 Practice Are the following triangles congruent? A B C D E F

9 Practice Are the following triangles congruent?

10 Homework Work Packet: HL


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