choccocake2500 choccocake2500

14-11-2019
Mathematics

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Find surface area
Please show full working out

Find surface area Please show full working out class=

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alinateow alinateow

14-11-2019

Answer : 400 cm square :)
Sorry if it’s incorrect ;-;

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kamraaa kamraaa

14-11-2019

SA = 12*8 + 2(12*3) + 2(8*3) + 12*8-7*4 + 3(7*4) + 2(4*4)
SA = 96 + 72 + 48 + 68 + 84 + 32
SA = 400cm²

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