# A right triangle has hypotenuse of length p cm and one side of length q cm. If (p - q) = 1, then the length of third side is:  (A) 2q + 1

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A right triangle has hypotenuse of length p cm and one side of length q cm. If (p - q) = 1, then the length of third side is:

(A) 2q + 1

(B) $\sqrt{2q+1}$

(C) 2p + 1

(D) √5

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Correct option is (B) $\sqrt{2q+1}$