 Practice with Polygons Terms of Use    Contact Person: Donna Roberts  Directions: Read carefully.

1.
Find the perimeter of a regular hexagon with a side length of 15 inches.

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 75 inches 90 inches 105 inches 225 inches 2.
Find the sum of the measures of the angles of a pentagon.

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 360º 720º 540º 900º 3.
Find the number of degrees in a central angle of a regular hexagon.

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 50º 55º 60º 80º 4.
Find the area of a regular pentagon given a perimeter of 15 feet and an apothem length of 2.1 feet.

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 3.25 sq. feet 15.75 sq. feet 48 feet 31.5 sq. feet 5.
Find the area of this irregular pentagon in square units.
A(2,6), B(5,9), C(9,6), D(7,1),
E
(2,3)

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 56 sq. units 46½ sq. units 42 sq. units 35½ sq. units 6.
Find the sum of the exterior angles of a decagon, considering one exterior angle at a vertex.

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 144º 360º 540º 1440º 7.
Find the measure of an interior angle of a regular hexagon.

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 60º 120º 135º 145º 8.
Find the measure of an exterior angle of a regular hexagon.

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 120º 60º 45º 35º 9.
Find the area of this polygon, in square units.
A(-2,2), B(1,4), C(4,2), D(4,-2),
E(1,-4), F(-2,-2)

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 48 sq. units 36 sq. units 32 sq. units 24 sq. units 10.
A stop sign is a regular octagon (8-sides).
What is the number of degrees in an interior angle of a stop sign?

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 120º 135º 145º 154º  NOTE: The re-posting of materials (in part or whole) from this site to the Internet is copyright violation and is not considered "fair use" for educators. Please read the "Terms of Use".