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PLEASE ANYONE HELP MEEE!!!!

An equilateral triangle has an apothem of 5 cm. Find the perimeter of the triangle to the nearest centimeter.

A.

26 cm
B.

52 cm
C.

75 cm
D.

100 cm"

User Dacx
by
7.6k points

1 Answer

2 votes
Well, as the apothem is = s/2*Tan(180/n).
5 = S/2*Tan(180/3), S = 17.32 cm.
P = 17.32 + 17.32 + 17.32 = 52 cm.
So your option will be the second one: B. 52 cm.
Hope this is useful
User Roguebantha
by
8.6k points