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Geometry - 3.9 & 3.10 Review
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Terms in this set (8)
What are the legs of a right triangle?
What is the hypotenuse of a right triangle?
What is hypotenuse-leg (H.L.)?
if the hypotenuse and leg of one right triangle are congruent to the hypotenuse and leg of another, then the two right triangles are congruent
What do you need to state to prove HL?
- hypotenuse are congruent
- legs are congruent
- triangles are right
What are the steps in using a two-column proof?
1. Given
2. Vertical angles, shared parts
3. Given conclusions
4. Solve proof
List the 5 ways of proving triangles are congruent.
1. ASA
2. SSS
3. SAS
4. AAS
5. HL
List 2 ways that cannot be used to prove triangles are congruent.
1. AAA
2. ASS
What must you always do first in order to prove a pair of corresponding side or angles are congruent?
show that your triangles are congruent
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