Question

The diameter of a roller is 84cm and it's length is 120cm. it takes 500 complete revolution to move once cover to level a playground. find the area of playground.​

Answer 1

Step-by-step explanation:

Curved surface area of cylinder =15840sq.cm

Upon covering 500 revolution it will cover 500×15840 =7920000sq.cm

thus are of field is 792sq.m

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Answer 2

Answer:

15840000

Step-by-step explanation:

as curved surface area is 2πrh so for 500revolution area is 2πrh*500