Question

The lengths of the sides of some triangles are given below. Find out which of them are right-angled triangles.

(2) 3 m, 4 m, 6 m

Answer 1

The lengths of the sides of the triangle are 3 m, 4 m and 6 m.
Longest side = 6 m
Square of longest side = (6)² = 36
Side one = 3 m
Square of side one= (3)² = 9
Side two = 4 m
Square of side two = (4)² = 16
Sum of square of side one and square of side two = 16 + 9 = 25
≠ Square of longest side
Hence, this is not a right-angled triangle.