Question

what is the Find the area of a regular pentagon if a = 3 meters and s = 2 meters?

Answer 1

sorry this is the question
Find the area of a regular pentagon when a = 3 meters and s = 2 meters.

Answer 2

whats the 's' ?
a is the side right ?

Answer 3

That's what I'm trying to figure out. ^^

Answer 4

yes "a" is the side but I also dont know what is s?

Answer 5

google gave me this formula
\(\large A = (1/4) \sqrt{5(5+2\sqrt 5)}a^2\)
just plug in a =3

Answer 6

so A will be 15.484

Answer 7

That's what I got.

Answer 8

yep

Answer 9

I'll post the give choices

Answer 10

A) 15 square meters
B) 18 square meters
C) 24 square meters
D) 30 square meters

Answer 11

round it to 15 :)

Answer 12

Does it say round the the nearest whole number?

Answer 13

even if it doesn't say, we can.

Answer 14

yes so its A
but it doesn't say round it to the nearest whole #

Answer 15

yes its the closest answer

Answer 16

Yeah, it's the only answer choice that makes sense.

Answer 17

@hartnn and @OrangeMaster thanks for your help :)

Answer 18

welcome ^_^

Answer 19

^^