1.

The diameter of a roller 1.7 m long is 84cm . if it takes 350 complete revolution. determine the area of the playground ​

Answer»

ong>Answer:

in one revolution 2 pi R L is the AREA covered.

one rev

= 6.28x 42x1700

= 448392 square cm

= 44.83 sq METER.

in 350 revolution

total area: 44.83x350 = 15964 square meter



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