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If c=12 find a right triangle 90 degrees 45 degrees 45 degrees

User Petar
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1 Answer

4 votes

If is a triangle 90°, 45°, 45° then the sides are in ratio 1 : 1 : √2.

If c = 12 is a hypotenuse, therefore we have the equation:


a\sqrt2=12\ \ \ \ |\cdot\sqrt2\\\\2a=12\sqrt2\ \ \ \ |:2\\\\\boxed{a=6\sqrt2}

If c = 12 is a leg, therefore we have:


\boxed{a=12\sqrt2}

User Chie
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