Question

1. Calculate the value of x in the following.
x=
6 cm
8 cm

Answer 1

2√7 ≈ 5.29

Explanation:

a² + b² = c²

x² + 6² = 8²

x² + 36 = 64

x² = 64 - 36 = √28 = 2√7 ≈ 5.29