SOLUTION: find the area of an equilateral triangle with one side measuring 20cm

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Question 142852: find the area of an equilateral triangle with one side measuring 20cm
Answer by psbhowmick(878) About Me  (Show Source):
You can put this solution on YOUR website!
Area of an equilateral triangle with sides 'a' is given by
A+=+sqrt%283%29a%5E2%2F4

Here, a = 20 cm.
So, A+=+sqrt%283%29%2A20%5E2%2F4+=+173.2cm%5E2