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Problem 342

Geometry Difficulty 2.0 Find the answer CEMC Cayley · Canada · 2006

In a right-angled triangle, the sum of the squares of the three side lengths is $1800$ . The length of its hypotenuse is (A) $\sqrt{1800}$ (B) $\frac{1}{2}\sqrt{1800}$ (C) $90$ (D) $30$ (E) $45$

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