Question

Find the length of the third side for a right triangle with a hypotenuse of length 13 and a side of length 5.

Answer 1

b=12

Explanation:

5, 12, 13 is a Pythagorean triple;

a^2+b^2=c^2

c^2-a^2=b^2

13^2-5^2=b^2

169-25=b^2

144=b^2

12=b