Question

Given the side measures below determine whether or not triangle is acute right or obtuse 12 9 13

Answer 1

Hi there!

Let's use the pythagorean theorem to figure this out.

WORK:

`{12}^(2) + {9}^(2) = {13}^(2)`

`144 + 81 = 169`

`225 > 169`
The triangle is ACUTE.

Hope this helps!! :)