Math, asked by iksha5542, 1 year ago

Diameter of roller is 84cm and it's length 120 cm .in how many revolution it cover area of 1548m sq

Answers

Answered by rishu92

Take a small burning candle. Cover the burning candle with a glass jar. After few minutes the candle is extinguished. As the supply of air is stopped due to glass jar the burning of candle is also stopped. This experiment proves that air supports burning.

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