Question

Two sides of an obtuse triangle measure 10 inches and 15 inches. The length of longest side is unknown.

Answer 1

Pythagorean theorem- a^2+b^2=c^2

a= 10
b= 15
c= ?

10^2+15^2=?^2
100+225=?^2
325=?^2
√325=?^2
18.027....