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""""""""""""
Here,
Roller is in cylinder form.
diameter=84cm
=>radius =42cm =0.4m
length=120 cm= 1.2 m
----------------
It takes 500 revolution to move once the level of play ground.
So,it is covering the area of playground.
Area of playground=500×surface area of cylinder.
500×2πrh
500×2×22/7×0.4×1.2
=1508.15m^2 (appr)
-------------
Hope it helps you.
@adharsh26
""""""""""""
Here,
Roller is in cylinder form.
diameter=84cm
=>radius =42cm =0.4m
length=120 cm= 1.2 m
----------------
It takes 500 revolution to move once the level of play ground.
So,it is covering the area of playground.
Area of playground=500×surface area of cylinder.
500×2πrh
500×2×22/7×0.4×1.2
=1508.15m^2 (appr)
-------------
Hope it helps you.
@adharsh26
aaraf:
marked you as brainliest
happy
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