Question

Please answer this question

Answer 1

a = 12

Explanation:

Pythagorean theorem states that the the square value of hypotenuse is equal to the sum of the squares of two legs.

Now, according to this statement:

15² = 9² + a²

• Calculate the square values on both sides

225 = 81 + a²

• Subtract 81 from both sides

144 = a²

• Find the root of both sides

12 = a