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# If the length of circum radius of a right-angled triangle is 10 cm, then let us write how much length of hypotenuse of triangle is.

Answer :

In a right angled triangle the length of hypotenuse is always twice the length of its circum radius

The Δ PQR is right angled at Q

PR is the hypotenuse

OP = OR is the circum radius

Length of circum radius = 10 cm

⇒ Length of hypotenuse = 2×10 = 20 cm

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