Area of Regular Polygons Answers
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A regular pentagon has an apothem measuring 3 cm and a perimeter of 21.8 cm.
A
13.8 cm2B
17.3 cm2C
32.7 cm2D
69.0 cm22
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The base of the right triangle drawn in the regular octagon measures 0.7 cm.
A
11.2 cmB
14.1 cmC
15.2 cmD
20.8 cm3
The area of the regular hexagon is 169.74 ft2.
A
24.2 ftB
28.3 ftC
48.5 ftD
56.8 ft4
A regular hexagon has a radius of 20 in. What is the approximate area of the hexagon?
A
600 in.2B
1,038 in.2C
1,200 in.2D
2,076 in.25
A regular decagon has a radius of 8 cm.What is the approximate area of the decagon? Recall that a decagon is a polygon with 10 sides.
A
188 cm2B
198 cm2C
304 cm2D
375 cm26
A regular pentagon is shown.
A
2.9 cmB
3.3 cmC
4.9 cmD
6.5 cm7
Which statements about finding the area of the equilateral triangle are true? Select three options.
A
The apothem can be found using the Pythagorean theorem.B
The apothem can be found using the tangent ratio.C
The perimeter of the equilateral triangle is 15 cm.D
The length of the apothem is approximately 2.5 cm.E
The area of the equilateral triangle is approximately 65 cm2.8
A regular octagon has a radius of 6 ft and a side length of 4.6 ft.
A
71 ft2B
101 ft2C
110 ft2D
202 ft29
A regular octagon has an apothem measuring 10 in. and a perimeter of 66.3 in.
A
88 in.2B
175 in.2C
332 in.2D
700 in.2Did you find these answers helpful?
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