The lengths of the sides of some triangles are given below. Find out which ones are right angled triangles.
11, 60, 61 .

Explanation

Here, `(61)^2= 3721`,
`(11)^2=121, (60)^2=3600.`
121+3600=3721
`therefore (11)^2+(60)^2=(61)^2`
It is a Right angled triangle.