Name: _____________________________________ TP: ______
CRS
Objective
Geometry Content
13.3 – Find area of regular polygons
CW#90H: Area of Regular Polygons
Honors Geometry
3) What is a regular polygon?
4) What is an apothem?
5) Use the figure below to describe how you would find the area of the polygon.
6) To find the central angle of a regular polygon, divide_______ degrees by the ______ of sides n of the
polygon.
In the diagram, ABCDEF is a regular hexagon inscribed in G. Find each angle measure.
a. mEGF
b. mEGH
c. mHEG
d. What kind of triangles are formed in a regular hexagon? Include a diagram with your explanation.
7) A wooden coaster is a regular octagon with 3 centimeter sides and a radius of about 3.92 centimeters.
What is the area of the coaster?
8) A regular nonagon is inscribed in a circle with radius 5 units. Find the perimeter P and area A of the
nonagon.
9) Find the area of the regular polygon.
10) Find the area of the regular polygon. Each side
is 5 cm.
11) Find the area of the regular polygon.
12) Find the area of the regular polygon.
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