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Mathematics 10 Online
OpenStudy (anonymous):

A circular pan has a diameter of 8 inches. What is the exact area of the pan? A. 256π square inches B. 16π square inches C. 8π square inches D. 64π square inches

OpenStudy (anonymous):

@Vocaloid

Vocaloid (vocaloid):

area = pi*r^2, where r is the radius radius = diameter/2

OpenStudy (anonymous):

i got 50.34....thats not right...

OpenStudy (anonymous):

@Vocaloid ....i have no idea where i went wrong

Vocaloid (vocaloid):

don't multiply pi, just leave it as it is

Vocaloid (vocaloid):

what I mean to say is, after you multiply r^2, just write pi afterwards and tell me what you get

OpenStudy (anonymous):

oh okay

Vocaloid (vocaloid):

so, what is r^2

OpenStudy (anonymous):

i got 16 pi

Vocaloid (vocaloid):

perfect!

OpenStudy (anonymous):

thats it? How simple!!

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