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andreev551 [17]
3 years ago
14

What's the answer please help

Mathematics
1 answer:
boyakko [2]3 years ago
6 0
You don't need the apothem if the side length is known, the area can be expressed as:

A(n,s)=ns^2/(4tan(180/n)), n=number of sides and s=side length so

A(7,28)=(7*28^2)/(4tan(180/7))

A≈2848.987 ft^2

A≈2849 ft^2  (to the nearest tenth of a square foot)
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