radius of roller is 35 cm and length of roller is 2m find its area in 50 revolution
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C.S.A = 2 pi r h
= 2 multiply 22/7 multiply 35 multiply 200
= 44000cm^2
Total area = 44000 multiply 50
= 2200000 cm^2
= 2 multiply 22/7 multiply 35 multiply 200
= 44000cm^2
Total area = 44000 multiply 50
= 2200000 cm^2
saku7:
is it 100 % right
may be
Answered by
1
first find the csa of roller =22000
area of playground =22000×50÷10000
area of playground =22000×50÷10000
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