Question

Which one of the following sets of numbers represents the lengths of the sides of a right triangle?

A. 9,40, 42
B. 5,10,15
C. 6,8,10
D. 13,35,37
Please help (: will give a medal

Answer 1

a right angled triangle will satisfy pythagoras theorem
c^2 = a^2 + b^2

where c is the longest side

Answer 2

try the first one
if 42^2 = 40^2 + 9^2 then this is right angled triangle

Answer 3

try each one till you get a hit