1. 10.4 Pythagorean Theorem
Objective: Students will learn how to find a missing length of a right triangle by using the Pythagorean Theorem.

2. Information ONLY works with right triangles!!!!!
Hypotenuse: side opposite right angle (diagnol)(c)
Leg: sides that form right angle (a, b)
Pythagorean Theorem: a2 + b2 = c2

3. Find length of hypotenuse
A suitcase measures 9 inches long and 40 inches high.  What is the diagonal length of the suitcase to the nearest tenth of a foot?

4. Find length of hypotenuse-st10 x 24

5. Find measurement of leg-st10 c 5 c 12 9

6. Find measurement of a leg
Ms. Green tells you that a right triangle has a hypotenuse of 18 and a leg of 12.  Find other leg. 25 38 x

7. Find measurement of leg-st50 51 24 25 x x

8. Identifying right triangles
Note: Numbers must be in increasing order!
Tell if 3, 5, 7 form right triangle
15, 8, 17
9, 12, 15

9. Identifying right triangles-st
8, 12, 15
11, 13, 17
13, 84, 85
16, 63, 65

10. Wrap-up
Questions/Comments
Hw: worksheet