1.

A triangle has sides of length 6 cm, 7.5 cm and 4.5 cm. It is a right-angled triangle.Why?

Answer»

to prove this check whether the square of longest side is equal to sum of square of other two sideshence 7.5^2=56.25and 6^2+4.5^=56.25hence they are equal so it is a right angled triangle by Pythagoras theorem

Thanks



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