Question

What is the value of X

Answer 1

b. 12

Explanation:

`{h}^(2) = {x}^(2) + {y}^(2) \\ {x}^(2) = {h}^(2) - {y}^(2) \\ x = \sqrt{ {h}^(2) - {y}^(2) } \\ x = \sqrt{ {(15)}^(2) - {(9)}^(2) } \\ x = √(225 - 81) \\ x = √(144) \\ x = 12`