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प्रश्न
A cuboid has total surface area of 372 cm2 and its lateral surface area is 180 cm2, find the area of its base.
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उत्तर
We have,
Total surface area of the cuboid `(A) = 372 cm^2`
Lateral surface area of the cuboid `(A) = 180 cm^2`
Let,
a →Area of the base
We know that,
A = A' + 2a
`a = (A-A')/2`
`=(372-180)/2`
`=192/2`
=96 cm2
Area of the base is 96 cm2
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