Question

the area of an equalateral triangle is 4√3cm.find it's length of the side, perimeter and area?​

Answer 1

The formula for the area of an equilateral triangle is $\frac{\sqrt{3} a^2}{4}$

From given  , 4 √3 = √3 . a^2/4

                      a^2= 16

                      a=4

     length of side is a which is 4cm

       Perimeter of triangle= a+a+a=3a= 12cm

     Area is already given which is 4√3cm

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