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Mathematics 11 Online
OpenStudy (logan13):

If the diameter of the circle above is 20 mm, what is the area of the circle? 400 mm2 10 mm2 20 mm2 100 mm2

OpenStudy (brycehale):

One sec!

OpenStudy (anonymous):

let's see.....

OpenStudy (brycehale):

314

OpenStudy (brycehale):

Wait one sec

OpenStudy (logan13):

ok

OpenStudy (anonymous):

uhh no answers please

Nnesha (nnesha):

\[\huge\rm A =\pi r^2\] formula to find area of circle

OpenStudy (brycehale):

314 is the area of the circle

OpenStudy (brycehale):

314.159

Nnesha (nnesha):

diameter is 20 so you have to divide by to get radius

OpenStudy (brycehale):

Radius is 10 so --> A = 3.14 x 10^2 = 314.159

OpenStudy (anonymous):

@BryceHale please explain and NOT just say a number.

OpenStudy (brycehale):

My apologies

OpenStudy (logan13):

he did not

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