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Find the surface area of a 10 cm × 4 cm × 3 cm brick.
Question 1:
Find the surface area of a 10 cm × 4 cm × 3 cm brick.
A.
128 sq. cm
B.
164 sq. cm
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Surface area = [2 (10 × 4 + 4 × 3 + 10 × 3)]sq. cm
= (2 × 82) sq. cm
= 164 sq. cm.
C.
194 sq. cm
D.
208 sq. cm
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