The surface area of a solid 22cm by 12cm by 7.5 cm is-
Solution
Correct Answer: Option C
We know, the surface area of a solid
= 2(ab+bc+ca)
= 2(22 x 12 + 12 x 7.5 + 7.5 x 22)
= 2 x 519
= 1038cm
= 2(ab+bc+ca)
= 2(22 x 12 + 12 x 7.5 + 7.5 x 22)
= 2 x 519
= 1038cm
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