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Mathematics 11 Online
OpenStudy (anonymous):

how do you find the area of a circle?

OpenStudy (across):

\[A=\pi r^2\]

OpenStudy (muhammad_nauman_umair):

As area is equal to pi times radis square

OpenStudy (anonymous):

(A=pr2)

OpenStudy (anonymous):

area= 3.14 * radius^2 \[a =\pi(r)^{2}\]

OpenStudy (anonymous):

if i post another question onnhere as a comment can u guys answer it please?

OpenStudy (across):

Make it a new question.

OpenStudy (anonymous):

i cant put a piture on it though

OpenStudy (across):

You're not killing any trees by doing so, only cluttering the OS servers. :P

OpenStudy (anonymous):

Calculate the area of the smaller sector.

OpenStudy (across):

You can always post the picture in a comment afterward.

OpenStudy (anonymous):

oh thats true lol

OpenStudy (across):

You have to use this:\[A_s=\frac{\theta}{360}\pi r^2\]

OpenStudy (across):

Wait a moment... are we doing your exam?

OpenStudy (anonymous):

how the eff do i use tht? O.o

OpenStudy (anonymous):

nope

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