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Mathematics 39 Online
OpenStudy (anonymous):

Find the surface area of the frustum. Show all work.

OpenStudy (anonymous):

\[is the picture which was given\]

OpenStudy (anonymous):

pie*6*(14+6)-pie*3*(3+7)

OpenStudy (anonymous):

ans=90*pie

OpenStudy (anonymous):

what was the equation you used?

OpenStudy (anonymous):

sanket it seems that i know u some what

OpenStudy (anonymous):

\[\pi \times \mathbb{R} \left( \mathbb{R} +\iota \right)\]

OpenStudy (anonymous):

@kushashwa: Means what?

OpenStudy (anonymous):

r u on wiziq or tcy

OpenStudy (anonymous):

tcy?

OpenStudy (anonymous):

π×R(R+ι) what does the small l mean?

OpenStudy (anonymous):

small 'l' is slant height.

OpenStudy (anonymous):

Frustum is formed by 'cutting' upper small cone from larger cone. so, surface area of figure is = Surface area of Large cone - Surface Area of Smaller cone

OpenStudy (anonymous):

thank you

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