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Find the area (in cm2) of the card board that is required to make a box of size 12 cm × 14 cm × 8 cm.
Question

Find the area (in cm2) of the card board that is required to make a box of size 12 cm × 14 cm × 8 cm.

A.

736

B.

752

C.

748

D.

764

Correct option is B

Given:
Length (l) = 12 cm
Breadth (b) = 14 cm
Height (h) = 8 cm
Formula Used:
Total Surface Area of a cuboid  = 2(lb + bh + hl)
Solution:
lb = 12 × 14 = 168
bh = 14 × 8 = 112
hl = 8 × 12 = 96
TSA = 2(168 + 112 + 96)
TSA = 2 × 376
TSA = 752

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