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I students in this video, let's discuss about Cuba now over here I have a cube and you can see that

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the length is equal to the bread and that's equal to the height.

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All right.

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Let me call all the three dimensions as Langdale.

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Now you can see that the volume is equal to L into L, into L.

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That's equal to L Cube and the total surface area, which is this surface area multiplied by six because

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you have six surfaces.

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That's one over here and one at the back, then one at the top and one at the bottom and one over here

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and one over here.

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So a total of six faces.

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Right.

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So total surface area is six times and in the end that's equal to six elsewhere.