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pychu [463]
2 years ago
13

Find the area of the regular nonagon

Mathematics
1 answer:
elena-s [515]2 years ago
4 0

Answer:

267.3

Step-by-step explanation:

area of a regular polygon =

(perimeter * apothem)/2

perimeter: 9 * 6.6 = 59.4

area: 59.4 * 9 = 534.6

534.6/2 = 267.3

area = 267.3

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Find each percent decrease of 80 to 64
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belka [17]

Answer:

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