2018
Mathematics
JAMB
Calculate the total surface area of a cupboard which measures 12cm by 10cm by 8cm
A.
1920cm2
B.
592cm2
C.
296cm2
D.
148cm2
Correct Answer: 592cm2
Explanation
Total surface area of a cupboard is given by the equation A = 2(lb + bh + lh) L = 12, b = 10, h = 8 A = 2((12 x 10) + (10 x 8) + (12 x 8)) A = 2(120 + 80 + 96) A = 2 x 296 A = 592cm2
Total surface area of a cupboard is given by the equation A = 2(lb + bh + lh) L = 12, b = 10, h = 8 A = 2((12 x 10) + (10 x 8) + (12 x 8)) A = 2(120 + 80 + 96) A = 2 x 296 A = 592cm2THIS WEEK's
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