nmsisto04
nmsisto04
02-06-2021
Mathematics
contestada
pls answer thank you
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drrani79
drrani79
02-06-2021
435.6
mark me brainliestt pls :)))
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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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