The sides of a triangle are of length 4 cm, 7 cm and 6 cm. Then this triangle is a right triangle.

True

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False

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Solution

The correct option is B False
We know that hypotenuse is the longest side. If 4 cm, 7 cm and 6 cm are the lengths of a triangle, then 7 cm will be the hypotenuse.
7² = 49 and
6² + 4²= 36 + 16 = 52
Here, 7² $\neq$ 6² + 4²
Hence, by the converse of Pythagoras theorem, the given triangle is not a right triangle.

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