Question

9. Find the length of x in the right triangle. Give your answer to two decimal places.

Answer 1

Explanation:

Use Pythagorean theorem,

base²+altitude² = hypotenuse²

x² + 14² = 40²

x² + 196 = 1600

x² = 1600 - 196

x² = 1404

x = √1404

x = 37.47 ft