averiemiranda1
16.07.2019 •
Mathematics
Find the area of a regular nonagon with a side length of 7 and an apothem of 5
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Ответ:
bearing in mind that the area of a regular polygon is
(1/2)ap a = apothem, p = perimeter
so in this case that'd be (1/2)(5)(63).
Ответ:
b) 20/100 = 2/10 = 1/5