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Mathematics 19 Online
OpenStudy (anonymous):

compute the area of a circle inscribed in an octagon with area of 2.8284

OpenStudy (anonymous):

@SolomonZelman here is the posted ques

OpenStudy (solomonzelman):

area of 2.8284 for circle or octagon?

OpenStudy (anonymous):

octagon

OpenStudy (solomonzelman):

and radius 1?

OpenStudy (solomonzelman):

or a diff prob

OpenStudy (anonymous):

well no we used that to get area of octagon

OpenStudy (anonymous):

so now we have the area of the octagon and a circle is drawn inside of it

OpenStudy (anonymous):

we need to now find the area of the circle

OpenStudy (anonymous):

wait but wouldnt the radius stay the same?

OpenStudy (anonymous):

so then it would just be pi r^2?

OpenStudy (solomonzelman):

I suck at math!

OpenStudy (anonymous):

|dw:1381811745228:dw|

OpenStudy (anonymous):

somthing like that

OpenStudy (anonymous):

anyone have any idea?

OpenStudy (anonymous):

|dw:1381813233655:dw| A = S^2 - a^2 |dw:1381812789433:dw| R = 1/2 S

OpenStudy (anonymous):

|dw:1381813398629:dw| S = 3a/sqrt2

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