cameronballa113 cameronballa113

19-06-2019
Mathematics

contestada

Find the area of an equilateral triangle (regular 3-gon) with the given measurement.

4-inch side

A = sq. in.

Find the area of an equilateral triangle regular 3gon with the given measurement 4inch side A sq in class=

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kellyrenfro0616 kellyrenfro0616

22-06-2019

Using Heron's formula where s = 9 ...... and a = b = c = the side lengths .....we have......

A = √[s(s -a)^3] = √[4*3^3] = √[4*27] = √[4*9*3] = √[36*3) = 9√3 sq. in.

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