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Mathematics 10 Online
OpenStudy (anonymous):

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OpenStudy (anonymous):

For the slant height take it as if it was just a 2D shape: |dw:1413510603457:dw| and solve for the hypotenuse. For the surface area, take the shaped apart and you will see that it's made up of 4 equivalent triangle who have a base of 18m and a height that is equivalent to the slant height of the pyramid, and a square at the base with a side of 18m. Does that make sense?

OpenStudy (anonymous):

Well which parts exactly don't make sense?

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