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Subjects
Mathematics State Board
Class 9
Mensuration
Surface area of a Cuboid and Cube
7.
Evaluate the height of the cuboidal box
Exercise condition:
3
m.
The perimeter of the
top
of the cuboidal box is
400
\(cm\). If the cost of painting the box at the rate of \(₹\)
18
per \(cm^2\) is \(₹\)
36000
, find the height of the box.
[
Hint
: Area of four walls \(=\) Lateral surface area]
Height of the box
\(2000 \ cm\)
\(5 \ cm\)
\(4 \ cm\)
\(6 \ cm\)
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