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I know that for a equilateral triangles = . From this find out of the equilateral triangles.

 
 
SolutionEquilateral Triangle FormulaArea Formula
Area of Equilateral Triangle
Perimeter `(P) = 3 a`
Area `(A) = sqrt(3)/4 a^2`

Example :
I know that for a equilateral triangles Side = 6 . From this find out Area of the equilateral triangles.

`"Here " a = 6" (Given)"`


`"We know that,"`

`"Perimeter" = 3 * a`

` = 3 * 6`

` = 18`


`"We know that,"`

`"Area" = sqrt(3)/4 * a^2`

` = 1.732/4 * 6 * 6`

` = 15.5885`


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