Question

If AC = 20 centimeters, and BC = 16 centimeters, which does AB equal?

Answer 1

B. 12 centimeters

Explanation:

Pythagorean theorem formula

c^2 = a^2 + b^2

a^2 = c^2 - b^2 where c = 20 and b = 16

a^2 = 20^2 - 16^2

a^2 = 400 - 256

a^2 = 144

a = 12

Answer

B. 12 centimeters