Question

Pythagorean theorem . Appreciate the help with this question . Thank you

Answer 1

C

Explanation:

(Hypotenuse)²=(side 1)²+ (side 2)²

(15)²=(12)²+ a

225=144 + a

225 - 144 = a

81 = a

Square both sides which will become 9 =a

Therefore c is equal to 9 cm