1. Geometry Section 7.4 Special Right Triangles

2. 45°-45°-90° Triangle Formed by cutting a square in half. n n

3. 45°-45°-90° Triangle Theorem In a 45°-45°-90° triangle, the hypotenuse is times as long as the legs

4. Find the lengths of the sides of a 45°-45°- 90° Triangle Find the length of the hypotenuse of a triangle with leg lengths of 8. Find the length of the hypotenuse of a triangle with leg lengths of Find the length of the legs of a triangle with an hypotenuse of

5. 30°-60°-90° Triangle Given an equilateral triangle with side lengths of 2:

6. 30°-60°-90° Triangle Theorem In a 30°-60°-90° triangle, the hypotenuse is twice as long as the shorter leg, and the longer leg is times as long as the shorter leg

7. Find the lengths in a 30°-60°-90° triangle Find the length of a leg, if the shorter leg is 2, and the hypotenuse is 4. Find the length of the hypotenuse and longer leg if the shorter leg is

8. Assignment Section 7.4 Page 461 Problems # 4-18 even, 24, 28