Question

Determine o valor da medida x

Answer 1

10² = (3/4x)² + x²

100 = 9/16x² + x²

9/16x² + x² = 100

9/16x² + 16x²/16 = 1600/16

9x² + 16x² = 1600

25x² = 1600

x² = 1600/25

x² = 64

x = √64

x = 8