Question

Help i dont understand how to do this the question is "Put your answer in decimal form."

Answer 1

x = 2.5

Explanation:

Hypotenuse ² = opposite ² + adjacent ²

(x + 4)² = x² + 6²

x² + 8x + 16 = x ² + 6²

x² + 8x + 16 - x² = 6²

8x + 16 = 36

8x = 36 - 16

8x = 20

x = 20/8

x = 2.5