Question

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

A
10 centimeters
B.
12 centimeters
14 centimeters
C.
D.
16 centimeters
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Answer 1

The answer is B. 12 cm

Explanation:

ABC is a right triangle

AB and BC are the legs and AC is the hypotenuse.

The Pythagorean theorem a^2 + b^2 = c^2 can be manipulated to solve for a and get 12.