cubical box of edge 34 cm is to painted at rate of ₹80 per m sq. find the cist of painting if the box is to open
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1st make the cm into m
= 34cm
= 0.34m
2nd we have to find area of cube
= 5 is for outside and 5 is for inside
= 10so
the formula will
Area of cubical of open cubical box is
= 10×S^2
=10×0.34^2
=1.164
=1.164msq.
The cost of painting
= 1.164× 80
=92.48 rs
= 34cm
= 0.34m
2nd we have to find area of cube
= 5 is for outside and 5 is for inside
= 10so
the formula will
Area of cubical of open cubical box is
= 10×S^2
=10×0.34^2
=1.164
=1.164msq.
The cost of painting
= 1.164× 80
=92.48 rs
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