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Introduction to Surface Area and Lateral Area 1802 Views
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Transcript
- 00:04
Surface Area and Lateral Area, a la Shmoop.
- 00:08
In every life, some shapes must fall... and in every math test, you'll be quizzed on numbers.
- 00:14
Most of the magic in getting to the right answer lies in figuring out exactly what they're asking.
- 00:18
And some of it has to do with the formulas:
- 00:21
Here's the basic drill - each shape has a basic formula that goes with it...
Full Transcript
- 00:29
… and like... you have to know that for, say, this razor sharpening crystal pyramid,
- 00:34
THIS is the base and THIS is the height;
- 00:37
…and that this line represents the radius of the marble in this formula...
- 00:45
…and that this line is base 1 and this is base 2 and… we thank Charmin Ultra light
- 00:50
for the props here.
- 00:52
With lateral area, they’re basically just looking for the total surface area…minus the bases.
- 00:59
Which is where our toilet paper roll works perfectly, since…it has two holes where
- 01:03
its bases should be.
- 01:04
Really, there’s no end to the fun we can have using formulas on our toilet paper roll.
- 01:09
Seriously. We could spend all day in there.
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