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Mathematics 18 Online
OpenStudy (anonymous):

the area of the region enclosed by the graph of y= sqr (9-x^2) and the x axis is

OpenStudy (anonymous):

\[y=\sqrt{9-x ^{2}}\]

OpenStudy (anonymous):

First of all, do you know what geometric shape this is?

OpenStudy (anonymous):

circle

OpenStudy (anonymous):

well half

OpenStudy (anonymous):

Cool, so what do you think the are is?

OpenStudy (anonymous):

What is the radius?

OpenStudy (anonymous):

3

OpenStudy (anonymous):

the answer is 9pi right?

OpenStudy (anonymous):

9pi/2

OpenStudy (anonymous):

it all makes sense now lol.....

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