Question

Find the length of the missing side, x. The triangle is not drawn to scale.

13
X
12

Answer 1

X^2 + 12^2 = 13^2. (‘^2’= to 2nd power)

X^2 + 144 = 169
- 144. -144 (make X term by itself)
X^2 = 25 (to undo “squared”, find root.)
X = 5