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

Answer:
B. 12 centimeters
Step-by-step 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