Question

What is the value of x to the nearest tenth?
A)7.2
B)4.8
C)12.0
D)9.2

Answer 1

x = 7.2

Explanation:

a² + b² = c²

x² + (19.2/2)² = (24/2)²

x² + 9.6² = 12²

Subtract 9.6² from both sides

x² = 12² - 9.6²

x² = 51.84

x = 7.2