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

Answer:
c. 28
Step-by-step 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