Math, asked by Manu1111111111, 1 year ago

A closed box measures 2 m by 1.5 by 1m externally .Find the cost of painting its outside at Rupees 2.80 per sq m .(The bottom is not to be painted

Answers

Answered by ashokkuwal
4
area of cuboid= 2(lb +bh+ hl)
2(3+1.5+2)
18m sq

cost =18x2.80=Rs50.4
Answered by Gauri11111
1
CSA of cuboid is 2(l+b)h
2×(2+1.5)×1 : 2× 3.5
That is 7m sq.
Area of top of the box is 2×1.5 : 3
Cost of painting per m sq is 2.80
Cost of painting box is 2.80×(7+3)
That is 2.80×10
So answer of your question is Rs28.
I hope u like my answer.
Pls mark it as brainliest
Have a nice day
Similar questions