Question

Find x.

(please see attached photo)

Answer 1

4.8 m

Explanation:

By hypotenuse theorem,

x² + 6.4² = 8²

x² + (6.4)x(6.4) = 8 x 8

x² + 40.96 = 64

x² = 64 - 40.96

x² = 23.04

= 4.8 x 4.8

x² = 4.8²

x = 4.8 m