The diameter of a roller is …
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Posted by Brajesh Bhadouria 4 years, 8 months ago
- 2 answers
Gaurav Seth 4 years, 8 months ago
Given,
Diameter = d = 84cm
Radius = r = d/2 = 42cm
Length = l = 120 cm
T.S.A of cylinder = 2πrh
= 2 x 22/7 x 42 x 120
= 31680 cm²
Area levelled by 500 revolution = Area of playground
= 500 x 31680cm²
= 15840000 cm² [ change into m]
= 1584 m²
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Tiger Boos 4 years, 8 months ago
0Thank You