Question

if the sides of a triangle are 3cm, 4cm and 5cm determine whether it is right angle triangle or not

Answer 1

No it is not right angled triangle

Answer 2

We know that hypotenuse
AC^2=AB^2+BC^2
5^2=3^2+4^2
25=9+16
25=25
√25=√25
5=5

Hence it is right angle triangle
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