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g100num [7]
3 years ago
6

Help!!!

Mathematics
1 answer:
MAVERICK [17]3 years ago
3 0
I hope this helps you



sin22=x/11



0,374×11=x


x=4,12
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By definition we have that the area of a regular octagon is:
 A = 4.83L ^ 2
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 the similarity ratio = the area ratio.
 We have then:
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 P2 = 8L2
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 answer:
 similarity ratio:
 25: 9
 the ratio of the perimeters:
 5: 3
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