Questions on Geometry: Polygons answered by real tutors!

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Question 139229: find the area of an equilateral triangle whose perimeter is 12cm.
thank you for all your help! i just cant get this.: find the area of an equilateral triangle whose perimeter is 12cm.
thank you for all your help! i just cant get this.
Answer by eackers(1) About Me  (Show Source):
You can put this solution on YOUR website!
12/3=4
h=3.46
1/2(4*3.46)=6.92
the answer is 6.92 units squared