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5 January, 02:50

What is the surface area of a pyramid that has a base of 27mm and the slanted height is 35mm?

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  1. 5 January, 03:01
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    Total Surface Area = Base (Base + √ (Base2 + 4h2))

    Solution:

    Total Surface Area = 27 x (27 + √ (27) 2 + 4 (35) 2)

    = 27 x (27 + √ (27) 2 + 4 (1225))

    = 27 x (27 + √ (729 + 4900))

    = 27 x (27 + √ (5629))

    = 27 x (27 + (75.0267))

    = 27 x (102.0267)

    Surface Area = 2754.7199mm^2
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