A road roller takes 500 complete revolutions to move once over to leve

1.	A road roller takes 500 complete revolutions to move once over to level a road. Find the area of the road if the diameter of a road roller is 41 cm and its length ia 1 m. (use π = 22/7)
Answer» Answer: 1 REVOLUTION = 2\pi rh2πrh r\ =\ \frac{84}{2\ }cm\r = 2 84 cm = 42cm h = 1m = 100cm CSA = 2\times\frac{22}{7}\times42\times1002× 7 22 ×42×100 = 26400 cm\ ^2CM 2

A road roller takes 500 complete revolutions to move once over to level a road. Find the area of the road if the diameter of a road roller is 41 cm and its length ia 1 m. (use π = 22/7)

Answer»

Answer:

1 REVOLUTION = 2\pi rh2πrh

r\ =\ \frac{84}{2\ }cm\r =

= 42cm

h = 1m = 100cm

CSA = 2\times\frac{22}{7}\times42\times1002×

×42×100

= 26400 cm\ ^2CM

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A road roller takes 500 complete revolutions to move once over to level a road. Find the area of the road if the diameter of a road roller is 41 cm and its length ia 1 m. (use π = 22/7)​

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A road roller takes 500 complete revolutions to move once over to level a road. Find the area of the road if the diameter of a road roller is 41 cm and its length ia 1 m. (use π = 22/7)