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Mathematics 7 Online
OpenStudy (anonymous):

use the net to find the lateral area of a cylinder

OpenStudy (anonymous):

OpenStudy (zzr0ck3r):

what is 12yd?

OpenStudy (mathstudent55):

The diameter of the bases is 12 yd.

OpenStudy (zzr0ck3r):

then 2pi*6*15

OpenStudy (zzr0ck3r):

what is lateral area?

OpenStudy (anonymous):

2pi 90

OpenStudy (zzr0ck3r):

I might be wrong, what is lateral area? I thought it means only the area of that rectangle they posted

OpenStudy (anonymous):

12

OpenStudy (zzr0ck3r):

wait for @mathstudent55 I miss read the question

OpenStudy (mathstudent55):

The lateral area of a cylinder is made up of rectangle whose dimensions are the circumference of the base and the height of the cylinder. In this case, the height of the cylinder is 15 ft. The diameter of the base is 12 ft. \(A = Ch = \pi d h\) \(A = \pi \times 12 ft \times 15 ft \)

OpenStudy (zzr0ck3r):

ok I was right:)

OpenStudy (anonymous):

pi 180

OpenStudy (zzr0ck3r):

use pi not 180

OpenStudy (anonymous):

12*15 is 180

OpenStudy (zzr0ck3r):

o I c ...lol

OpenStudy (anonymous):

565.2 i multiplied 3.14*12*15 is that the answer

OpenStudy (mathstudent55):

|dw:1373950010827:dw|

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