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18-07-2017
Mathematics

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What is the surface area of the square pyramid?
(Figure is not drawn to scale.)

What is the surface area of the square pyramid Figure is not drawn to scale class=

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18-07-2017

area of the base = 8^2 = 64

area of 1 traingle = 1/2 * 8 * 5.4 = 21.6

there are 4 triangular sides so their area = 4 * 21.6 = 86.4

Total surface area = 64 + 86.4 = 150.4 cm2

D

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