A little help please? ;;
(a) Describe the Relationship between the circumference and area of a circle.
(b) Explain the difference between the circumference and area formulas.

- anonymous

- jamiebookeater

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- dan815

okay

- anonymous

A.
TT (often written pi) is a mathematical constant whose value is the ratio between circumference and diameter of any circle in a Euclidean space, is the same value as the ratio of area of a circle and square of its radius
B
area=pi(r^2)
circumference=2*pi*r

- dan815

circumference = 2*pi*r
and the area = pi*r^2

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## More answers

- dan815

if you knew the circumferece of a circle u can figure out the area

- anonymous

yep I totally agree with dan815

- anonymous

Well, yeah. They both use pi and the radius for A. 2piR and piR^2

- dan815

oops forgot the 2^2 in there

- anonymous

Lol

- anonymous

B?

- dan815

as r=circumference/2pi
r=c/2pi for convenience so
area = pi*(c/2pi)^2
=pi*c^2/(2pi)^2
=c^2/(4pi)

- anonymous

yeah that is answer for b

- anonymous

Jk

- anonymous

B tho.

- anonymous

I mean I know the difference just a bit hard to put it in words.

- dan815

okay well to start with you know circumference is a lennght
when area is length^2

- anonymous

Yeah.

- anonymous

By length you mean radius or diameter?

- anonymous

????

- dan815

the units of measurement

- dan815

it means circumference is measured in one dimention just length
and the area is measured in 2 dimensions length and width kind of deal

- dan815

when you say the area is like 50 cm^2
that means 50 of 1 cm by 1 cm squares fit in your area

- anonymous

oh, yeah.

- dan815

when you say 50 cm
that means a line that is 50 cm long fit in it or 50 lines of 1 cm long together fit in it

- anonymous

area is squared and c is a line

- dan815

ya somethinhg like that

- anonymous

but i dont think thats what theyre trying to ask.

- anonymous

our teacher never really touched that, so I'm afraid I won't get it correct bc it's not the answer she wants.

- anonymous

I think the answer she wants is about the actual formula for the 2.

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