Question

Given the following  information, find the PERIMETER of the right triangle.

a = 12
b = 
c = 15

Answer 1

b= 9

Explanation:

a^2+b^2=c^2

144+b^2=225

b^2=81

b=9

Answer 2

Use Pythagorean theorem
A^2 + B^2 = C^2
12^2 + B^2 = 15^2
Solves for b