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Mathematics 12 Online
OpenStudy (logan13):

The circle above has a radius of 7 cm. What is the area of the circle? Use = 3.14. 43.96 cm2 307.72 cm2 153.86 cm2 21.98 cm2

OpenStudy (anonymous):

Area of a circle is pi*r^2

syed98 (syedmohammed98):

use the formula pi * r^2 3.14 * (7)^2 u get the answer :)

OpenStudy (logan13):

@ComputerNerd

OpenStudy (logan13):

you speak no english

OpenStudy (anonymous):

@SyedMohammed98 gave you enough information to solve the problem

OpenStudy (logan13):

i need your help

OpenStudy (logan13):

@ComputerNerd

OpenStudy (anonymous):

\[3.14 * 7^{2}\] That is the answer. Use your calculator...

OpenStudy (idealist10):

\[A=\pi*r^2=\pi*(7)^2=\pi*49=49\pi \]

OpenStudy (logan13):

give me the answer

OpenStudy (anonymous):

Openstudy encourages us to help you with the process, not just give out answers.

OpenStudy (idealist10):

A=(3.14)(49)=153.86 cm^2

OpenStudy (logan13):

what do you think you have been doing

OpenStudy (anonymous):

Well @Idealist10 just gave you your answer...

OpenStudy (idealist10):

So the answer is the third choice.

OpenStudy (logan13):

yep

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