Question

Using the right triangle Find the value of x' 13 X 12

Answer 1

Answer:

5

Step-by-step explanation:

Apply Pythagorean theorem

$13 {}^{2} = 12 {}^{2} + x {}^{2} \\ 169 = 144 + x {}^{2} \\ x {}^{2} = 169 - 144 \\ x {}^{2} = 25 \\ x = \sqrt{25} \\ x = 5$