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OpenStudy (ineedhelp10):
The diameter of a circle extends from (-100,3) to (20,3). If the area of this circle is the same as a square, what is a side length of that square?
OpenStudy (ineedhelp10):
@timo86m help please?
OpenStudy (ineedhelp10):
@Compassionate
OpenStudy (anonymous):
How do you find area of a circle :D
OpenStudy (ineedhelp10):
It's Area= (radius)^2
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OpenStudy (anonymous):
pir^2
jigglypuff314 (jigglypuff314):
pi * (radius)^2
OpenStudy (ineedhelp10):
this is sorta like the other problem we did right? @jigglypuff314
jigglypuff314 (jigglypuff314):
yep :)
OpenStudy (ineedhelp10):
so i'll square it and all that correct?
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OpenStudy (anonymous):
jiggllllly pufffff jiggglllyyyyy
OpenStudy (anonymous):
use your distance formula to find the radius
jigglypuff314 (jigglypuff314):
square root after finding the circle's area
OpenStudy (ineedhelp10):
and i got 14400
jigglypuff314 (jigglypuff314):
diameter = distance of (-100,3) to (20,3)
= 120
so radius = 1/2 * 120 = 60
so area of circle = 60^2 * pi
area of square = 60^2 * pi
side of square = square root(60^2 * pi)
= 60√pi
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OpenStudy (ineedhelp10):
and how would i figure out one side of the square?
jigglypuff314 (jigglypuff314):
area of square = 60^2 * pi
side of square = square root(60^2 * pi)
= 60√pi
because (side of square)^2 = area of square