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23-04-2020
Mathematics

contestada

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

Respuesta :

23-04-2020

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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