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Mathematics 10 Online
OpenStudy (anonymous):

Sarah needs to cover the lateral area and the base on top of the cylinder. About how many square inches of paper will Sarah need? A. 282 in^2 B. 254 in^2 C. 679 in^2 D. 565 in^2

OpenStudy (anonymous):

OpenStudy (nincompoop):

start by identifying the area formula of a cylinder

OpenStudy (anonymous):

I think the answer is 679.

OpenStudy (nincompoop):

how did you arrive to that answer?

OpenStudy (anonymous):

2 x 3.14 x 6 x 6= 226.08 2 x 3.14 x 6 x 12=452.16 226.08 + 452.16= 678.24

OpenStudy (nincompoop):

so what is the area formula of a cylinder?

OpenStudy (anonymous):

2 π r2 + 2 π r h ?

OpenStudy (nincompoop):

yeh

OpenStudy (nincompoop):

if you followed it then you're good

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