notes: area of regular polygons -...
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Notes: Area of Regular polygons The center of a regular polygon is equidistant from the vertices. The apothem is the distance from the center to a side. A centra l angle of a regular polygon has its vertex at the center, and its sides pass through consecutive vertices. Each central angle measure of a regular n-gon is
Regular pentagon DEFGH has a center C, apothem BC, and central angle �DCE.
Find: m�FCE m�FGH m�HDC
EXAMPLE 1 Find the area of the equilateral triangle.
Find the area of the given shapes: Ex. Ex.
A regular hexagon has a perimeter of 60 cm. Find it’s area.
18 m
8 in
9 in
12 cm 4
5 cm
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