Question

A hollow cylindrical pipe has inner circumference 44 dm and outer 45dm. Find the cost of painting it from both sides (inside as well outsides)at ₹2 per m square if length is 3.5m

Answer 1

Answer:

Step-by-step explanation:

Inner csa=44*10*3.5=1540m^2

Outer said=45*10*3.5=1575m^2

Total said=1540+1575=3075

Cost of painting=3075*2=RS 6150