Question

Please find x and a​

Answer 1

x = 36

a = 25

Step-by-step Explanation

By Pythagoras Theorem:

`x = \sqrt{ {39}^(2) - {15}^(2) } \\ \\ x = √(1,521 - 225) \\ \\ x = √(1,296) \\ \\ x = 36 \\ \\ a = \sqrt{ {20}^(2) + {15}^(2) } \\ \\ a = √(400 + 225) \\ \\ a = 25 √(625) \\ \\ a = 25`