Question

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

6-inch side.

A = sq. in.

Answer 1

\[A = (s ^{2}\sqrt{3})/4\]

Answer 2

\[A = (6^{2}\sqrt{3})/4\]

Answer 3

\[A = (36\sqrt{3)})/4\]

Answer 4

\[A = 9\sqrt{3}\]

Answer 5

\[9\sqrt{3} \approx 15.6\]

Answer 6

Use this formula whenever you need to find the area of an equilateral triangle.