The T.S.A. of a cuboid of measures 20 cm × 10 cm × 15 cm is (sq.cm)� – InterviewSolution

1.

The T.S.A. of a cuboid of measures 20 cm × 10 cm × 15 cm is (sq.cm) A) 130 B) 13,000 C) 1300 D) None

Answer»

Correct option is (C) 1300

Total surface area of cuboid \(=2(lb+bh+hl)\)

\(=2(20\times10+10\times15+15\times20)\)

= 2 (200 + 150 + 300)

= 2 \(\times\) 650 = \(1300\,cm^2\)

Correct option is C) 1300

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