Question

Can someone help really quick?? Find the area of a regular pentagon with apothem 15 meters. Show all the steps to explain it to me please?

Answer 1

right ?

Answer 2

yes

Answer 3

so now we have to find the area of:

Answer 4

and multiply by 10

Answer 5

No, the way I have to do it is i have to find the length of a side of the pentagon, and then use area = 1/2ap <--apothem, perimeter

Answer 6

ok.
the angle at the top of the triangle that i drew is 36 right ?

Answer 7

so the base of the triangle is
15tan36

Answer 8

so the length of the side of the pentagon is
2 * 15tan36 = 30tan36

Answer 9

I'm so lost, but go on

Answer 10

nothing to do more in fact.. we found the length of the side

Answer 11

but tell me where you lost me and ill try to explain

Answer 12

So wait, what do I use as the side? i dont just add 30tan36 five times to get the perimeter. would it be like 21. something or what?

Answer 13

yes..
5*30tan36 = perimeter

Answer 14

>.<

Answer 15

ok ? you need explanation ?

Answer 16

Lol i'm very confused right now.

Answer 17

why ?

Answer 18

Did u get my message? :/