1.Which set of numbers could represent the lengths of the sides of a right triangle?
 7, 24, 25
 8, 9, 10
 9, 11, 14
 15, 18, 21
 ____________________________________________
 2.Which set of numbers could represent the lengths of the sides of a right triangle?
 9, 40, 41
 12, 15, 20
 2, 3, 4
 8, 9, 10