Find the length of the third side. If necessary, round to the nearest tenth. 9 and 15
![Find the length of the third side If necessary round to the nearest tenth 9 and 15 class=](https://us-static.z-dn.net/files/d2c/6b320ec8a7776c5c0316ad53fcdea067.jpeg)
Answer:
12
Step-by-step explanation:
This is a right triangle, which makes us follow the Pythagorean Theorem. 81 + x^2=225, if x=the last side. Then you find out that x^2=144. 144 has the square root of 12. Then you get 12.