SOLUTION: What is the perimeter of a 30°, 60°, 90° triangle with a hypotenuse of 20 cm?

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Question 310441: What is the perimeter of a 30°, 60°, 90° triangle with a hypotenuse of 20 cm?
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
The sides of a 30-60-90 triangle are in ratio of hsin%2830%29-hsin%2860%29-h=0.5h-%28sqrt%283%29%2F2%29h-h
The perimeter would then be the sum of the three sides.
P=0.5h%2B%28sqrt%283%29%2F2%29h%2Bh
P=20%281.5%2B%28sqrt%283%29%2F2%29%29
or approximately,
P=47.32cm