Question

The sides of a triangle are 3cm, 4cm, 6cm. Determine wether it is a right angeled triangle or not.

Answer 1

By applying Pythagoras theorem,
6²=3²+4²
36=12+16
36≠28
Hence, it's not a right angled triangle

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Answer 2

perimeter of the triangle= sum of all sides
3+4+6
=13cm
so it is not a right teiangle