Question

22. Solve for ‘x'.
15
12
12
/15
10
a. 3
b. 10
c. 28

Answer 1

c. 28

Explanation:

Use Pythagorean theorem to find the leg of the right triangles.

a² + 12² = 15²

a² + 144 = 225

a² = 81

a = 9

So the value of x is:

x = 9 + 10 + 9

x = 28