the diameter of all in 20 cm long roller is 84cm it take 1,000 complete Revolution moving once over to level a playground what is the area of the playground
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Answer:5280000 cm sq
Step-by-step explanation:diameter=20cm
radius=10cm
height=84cm
Curved surface area of cylinder=2^rh
=2×22/7×10×84
: =528 cm sq
Area of playground=528×1000
=528000 cm sq
saurav3495:
Thanks
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