. What is the value of x?
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

Respuesta :

B. 15ft, 36ft, 39ft

use pythagorean theorem

a²+b²=c²

15²+36²=39²

225+1296=1521