SOLUTION: Find the area of the equilateral triangle with side of 20 meters

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Question 959000: Find the area of the equilateral triangle with side of 20 meters
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
Use Heron's formula,
s=%2820%2B20%2B20%29%2F2=30
A=sqrt%28s%28s-20%29%28s-20%29%28s-20%29%29
A=sqrt%2830%2810%29%5E3%29
A=sqrt%2830000%29
A=100sqrt%283%29