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1.Given that the size of each interior angle of a regular n-gon is I=(n-2)x180/n.
(a)Find the size of each interior angle of a regular 10-gon.
(b)Find the size of each interior angle of regular 12-gon.
(c)Find the difference between an interior angle of a regular 10-gon and an interior angle of a regular 12-gon.
f,2 MATH PLZ HELP IMPORTANT
2007-09-25 2:00 am
回答 (1)
2007-09-25 2:05 am
✔ 最佳答案
(a) Put n = 10the size of each interior angle of a regular 10-gon
= (10-2) x 180/10
= 144°
(b) Put n= 12
the size of each interior angle of regular 12-gon
= (12-2) x 180/12
= 150°
(c) The difference between an interior angle of a regular 10-gon and an interior angle of a regular 12-gon
= 150° - 144°
= 6°
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