Question

2. What is the value of x? Show ALL of your work. Round your answer to the nearest tenth.

А
x cm
12 cm
B
6 cm

Answer 1

9514 1404 393

Answer:

10.4

Explanation:

The Pythagorean theorem applies to the sides of this right triangle.

x² + 6² = 12²

x² +36 = 144 . . . . find the squares

x² = 108 . . . . . . . . subtract 36

x = √108 . . . . . . . take the square root

x ≈ 10.4