nmsisto04 nmsisto04

02-06-2021
Mathematics

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pls answer thank you

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drrani79 drrani79

02-06-2021

435.6

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goyangi goyangi

02-06-2021

SA = 411.4 cm2

Explanation:

Area of square = s x s = 11 x 11 = 121 cm2

Area of triangle = 1/2 x b x h = 1/2 x 11 x 13.2 = 72.6 cm2

Area of 4 triangles = 72.6 x 4 = 290.4 cm2

Total surface area = 121 + 290.4 = 411.4 cm2

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