The diameter of a roller is 98 cm, and its length are 140cm. It takes 800 complete
revolutions to move to level a playground.

Question

The diameter of a roller is 98 cm, and its length are 140cm. It takes 800 complete revolutions to move to level a playground. Find the area of the playground on sqm.​

Gianna · Answer

Step-by-step explanation:   Radius = Distance/2=98/2=49  Area of Roller=2πrh=2×3.142×49×140=43108.25≈43108  Area of 1 revolution = 43108 cm^2   Area of 800 revolution =800×43108  Area of playground = 34486400×1/100×1/100^2=3448  If it's right make it brainlist answer please

Clara

Form a smallest 7-digit number by using the digits 7,1,5,4 (you can

repeat the digits) and write its number name accor

(Sine-cose)

(Sine+cose)

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(Sine+cose) 2

(Sine-cose) (2Sin²0-1)

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The diameter of a roller is 98 cm, and its length are 140cm. It takes 800 completerevolutions to move to level a playground.