Integral of a Quarter Circle

Hckyplayer8

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I plotted the function which results in a quarter circle.

If area of a circle is pi(r2) then is the area of a quarter circle pi(r2) * 1/4?
 
Yes and no. If you think that the final answer if pi*r^2*1/4 then no you are not correct. If you want to use that formula then you are correct.

What is the radius of your 1/4 circle?
 
Sweet! I would take pi * 42 = 50.26548 then multiply that by .25 results in the final answer of 12.56637.
 
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