Question

A cuboid metal block of length 63 cm and breadth 21 cm has total surface area of 3822 cm square . find its volume​

Answer 1

Answer:

ANSWER

Given that l=20cm, b=12cm, h=9cm

∴T.S.A=2(lb+bh+lh)

=2[(20×12)+(12×9)+(20×9)]

=2(240+108+180)

=2×528

∴T.S.A=1056cm

2

solution

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