Question

Find the value of x. Round to the nearest tenth (one decimal place). WRITE ONLY THE NUMERICAL VALUE.

12.8
X
5.3

Answer 1

c² = a² + b²

x = 12.8² - 5.3²

x = 163.84 - 28.09

x = √135.75

x = 11.65 ≈ 11.7