1. Do problems on Worksheet 5.3 #1, 8 5. 4 #6, 8, 11 1. 19 8. x = 3 6. 6 8. (-3, -1) 11. no, no, no B e l l w o r k

2. 7.1 Pythagorean Theorem a 2 + b 2 = c 2 Find the length of the hypotenuse of the right triangle. a b c 8 6 x

3. Find the area of the isosceles triangle with side lengths 10 meters, 13 meters, and 13 meters.

4. Pythagorean Triples M ost Common 3, 4, 5 5, 12, 13 8, 15, 17 7, 24, 25 6 , 8, 10 10, 24, 26 16, 30, 34 14, 48, 50 9 , 12, 15 15, 36, 39 24, 45, 51 21, 72, 75 3 0, 40, 50 20, 120, 130 80, 150, 170 70, 240, 250 Found on page 435 5 13 x

5. 7.2 Converse of the Pythagorean Theorem Tell whether the given triangle is a right triangle. If c 2 = a 2 + b 2 , then is a right . a b c

6. HW Worksheet all e xcept 7, 8, 9 on 7.2 #21 is extra credit