Thursday

October 30, 2014

October 30, 2014

Posted by **Tyler** on Thursday, March 15, 2012 at 1:18pm.

Question 1: A regular pentagon has an apothem of 3.2 m and an area of 37.2 mē. What is the length of one side of the pentagon?

Question 2: A regular hexagon has perimeter 60 in. What is the hexagon's area?

Please and thank you!

- Geometry -
**Steve**, Thursday, March 15, 2012 at 2:48pmarea = 1/2 perimeter * apothem

37.2 = 1/2 * 3.2p

p = 23.25

p=5s, so s=4.65

p=6s, so s=10

we have 30-60-90 triangles to form apothems, so

a = 5*sqrt(3) = 8.66

area = 1/2 * 8.66 * 60 = 259.8

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