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Answer 1

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9th

Maths

Surface Areas and Volumes

Surface Area of Cubes and Cuboids

Find the total surface area...

MATHS

Find the total surface area of a cuboid whose length, breadth and height are 20 cm, 12 cm and 9 cm respectively.

MEDIUM

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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

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Answer 2

today your test tell me plz