Question

Which set of side length form a right triangle?

A) 3ft, 5ft, 6ft
B) 15ft, 39ft, 36ft
C) 7ft, 10ft, 26ft
D) 12ft, 13ft, 14ft

Please explain when you answer

Answer 1

B. 15ft, 36ft, 39ft

use pythagorean theorem

a²+b²=c²

225+1296=1521