a rectangular box 100 cm long 60 CM broad and 40 cm high is to be painted from outside at the rate of 1 Rupee per square metre find the cost of painting the box find also its volume
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Step-by-step explanation:
rectangular box is cubiodal in shape .
the TSA of cuboid is given by the expression, 2(lb+bh+hl)
here l= 100, b=60, h=40
TSA= Surface to be painted.
TSA=2(100*60+60*40+40*100)
=2(6000+2400+4000)
= 2(12400)
= 24800cm^2 and Rs.
Volume = l*b*h
=100*60*40
=240000cm^3.
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