ShmoopTube

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Surface Area and Lateral Area, a la Shmoop.

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In every life, some shapes must fall... and in every math test, you'll be quizzed on numbers.

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Most of the magic in getting to the right answer lies in figuring out exactly what they're asking.

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And some of it has to do with the formulas:

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Here's the basic drill - each shape has a basic formula that goes with it...

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… and like... you have to know that for, say, this razor sharpening crystal pyramid,

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THIS is the base and THIS is the height;

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…and that this line represents the radius of the marble in this formula... 

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…and that this line is base 1 and this is base 2 and… we thank Charmin Ultra light

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for the props here. 

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With lateral area, they’re basically just looking for the total surface area…minus the bases.

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Which is where our toilet paper roll works perfectly, since…it has two holes where

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its bases should be.

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Really, there’s no end to the fun we can have using formulas on our toilet paper roll.

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Seriously. We could spend all day in there.

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