Respuesta :

Astute

Hello there!

One way that I would do is make this triangle flat, if you can picture. that. We know that AC = 7 and BC = 8.

8 squared would be 64, and 7 squared would be 49.

Therefore, 64 = 49 + AB^2

AB = 15 squared.

Your answer: 15√

Ver imagen Astute