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posted by Brandon on Saturday, February 18, 2012 at 8:50pm.
The length of the hypotenuse of a 30-60-90 triangle is 12. Find the perimeter.
the ratio of sides of the 30-60-90 triangle = 1 : √3 : 2 = 6 :6√3: 12 so perimeter = 6 + 6√3 + 12 = 18 + 6√3
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