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Mathematics 8 Online
OpenStudy (jamesreed30):

Find the area of the circle with the given radius or diameter use pi equals 3.14 radius equals six

OpenStudy (blazeryder):

\[A=\pi \times r ^{2}\] This is what you need. So put 6 where the r is and solve.

OpenStudy (blazeryder):

@Jamesreed30

OpenStudy (jamesreed30):

So I would just do 6 times 3.14?

OpenStudy (blazeryder):

It would look like: \[A=3.14 \times 6^{2}\]

OpenStudy (blazeryder):

You would have to solve for the exponent first.

OpenStudy (blazeryder):

@Jamesreed30

OpenStudy (jamesreed30):

The exponent I would do 6x6 or 6x2?

OpenStudy (blazeryder):

6x6

OpenStudy (blazeryder):

So, what would the answer be?

OpenStudy (jamesreed30):

36?

OpenStudy (blazeryder):

Correct, now what do you need to do next?

OpenStudy (blazeryder):

\[A=\pi \times 36\]

OpenStudy (jamesreed30):

A=6 x 36?

OpenStudy (blazeryder):

Yup, and what does that equal?

OpenStudy (blazeryder):

Opps. forget what I said

OpenStudy (blazeryder):

\[\pi = 3.14\]

OpenStudy (blazeryder):

SO you need to do: \[A=3.14 \times 36\]

OpenStudy (jamesreed30):

And that will give me my answer?

OpenStudy (jamesreed30):

113.04?

OpenStudy (blazeryder):

Yup! You have the correct answer =) Just don't forget to put units squared at the end of your answer\[113.04 units ^{2}\].

OpenStudy (jamesreed30):

Man thank you so much! Appreciate it

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