Question

For a right triangle that has legs a and b and hypotenuse c, find the length of the side not given here.

a = 5 cm
b = 12 cm

Answer 1

a^2 + b^2 = c^2
5^2 + 12^2 = c^2
c^2 = 25 + 144
c^2 = 169
c = 13cm