1. How can you find the height of the building in the diagram below? 24 ft 7 ft x ft

2. In this lesson, you will learn how to find the length of a leg of a right triangle by using the Pythagorean Theorem.

3. Let’s Review Pythagorean Theorem a 2 + b 2 = c 2 a b c leg 2 + leg 2 = hypotenuse 2 leg leghypotenuse

4. Find the square root of a number and round to the nearest tenth. 8.18 = 8.2 6.92 = 6.9

5. Let’s Review A Common Mistake leg 2 + leg 2 = hypotenuse 2 Which side is the hypotenuse? x 2 + 12 2 = 15 2 x in 15 in 12 in

6. Let’s Review Core Lesson 30 ft x ft 34 ft leg 2 + leg 2 = hypotenuse 2 x 2 + 30 2 = 34 2 x 2 + 900 = 1,156 x 2 = 256 x = 16

7. Let’s Review Core Lesson 18 in 42 in a 2 + b 2 = c 2 18 2 + b 2 = 42 2 324 + b 2 = 1,764 b 2 = 1,440 b = 37.94 b = 37.9 a b c

8. In this lesson, you have learned how to find the length of a leg of a right triangle by using the Pythagorean Theorem.

9. Let’s Review Guided Practice Find the height of the building in the diagram below. Round to the nearest tenth. 24 ft 7 ft x ft

10. Let’s Review Extension Activities Find the height of the building in the diagram below. Round to the nearest tenth. 40 ft x ft 65 ft

11. Let’s Review Extension Activities Find the length of the bottom of the sail. Round to the nearest tenth. 57 ft x ft 22 ft

12. Let’s Review Extension Activities Find the length of the television if the diagonal is 50 inches and the height is 44 inches. Round to the nearest tenth.

13. Let’s Review Quick Quiz Find the distance from the base of the ladder to the house. 50 ft 48 ft x ft

14. Let’s Review Quick Quiz Find the distance from the base of the flag pole to the base of the wire. Round to the nearest tenth. x ft 55 ft 75 ft