# SOLUTION: Find the area of an equilateral triangle (regular 3-gon) with the given measurement. 6-inch radius A = sq. in.

Algebra ->  Algebra  -> Polygons -> SOLUTION: Find the area of an equilateral triangle (regular 3-gon) with the given measurement. 6-inch radius A = sq. in.      Log On

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 Geometry: Polygons Solvers Lessons Answers archive Quiz In Depth

 Question 279226: Find the area of an equilateral triangle (regular 3-gon) with the given measurement. 6-inch radius A = sq. in.Answer by CharlesG2(828)   (Show Source): You can put this solution on YOUR website!Find the area of an equilateral triangle (regular 3-gon) with the given measurement. 6-inch radius from http://www.mathopenref.com/polygonregulararea.html: If you know the radius (distance from the center to a vertex): where R is the radius (circumradius) N is the number of sides is PI, approximately 3.142 SIN is the sine function calculated in radians