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Mathematics 15 Online
OpenStudy (ayyookyndall):

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OpenStudy (ayyookyndall):

@nikato

OpenStudy (nikato):

you can calculate the sum of the area of the faces. start with the bottom which is a square with a length of 6. what would be the area?

OpenStudy (ayyookyndall):

36?

OpenStudy (nikato):

yes. and then you have 4 identical triangles. can you calculate the area of one of the triangle if the height is 9 and the base is 6? then multiply it by 4

OpenStudy (ayyookyndall):

Wait, 54 x 4 = 216

OpenStudy (nikato):

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OpenStudy (nikato):

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