Question

What is the area of the regular heptagon with a side length of 5 ft and an apothem of 5.2 ft?



A.
91 ft2

B.
104 ft2

C.
182 ft2

D.
304 ft2

Answer 1

http://www.mathwords.com/a/area_regular_polygon.htm

Answer 2

sorry can't do websites
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Answer 3

h

Answer 4

?

Answer 5

Area of a Regular Polygon

The area of a regular polygon is given by the formula below.

area = (½)(apothem)(perimeter)



Several other area formulas are also available.



Regular Polygon Formulas

n = number of sides
s = length of a side
r = apothem (radius of inscribed circle)
R = radius of circumcircle

Sum of interior angles = (n – 2)·180°

Interior angle =

Area = (½)nsr




Regular Pentagon


Regular Hexagon


Regular Heptagon


Regular Octagon


Regular Nonagon

Answer 6

it is A, thank you.

Answer 7

No problem