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dalvyx [7]
3 years ago
8

PLEASE HELP!!

Mathematics
1 answer:
Katena32 [7]3 years ago
3 0
The formula for a regular polygon, which this one is, is A = 1/2 ap where a is the apothem and p is the perimeter.  20.8 * 7 = 145.6 which is the perimeter, so now just multiply by 21.6 and .5.  145.6 * 21.6 * .5 = 1572.48, or B above.
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