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A glass window is 200 cm by 300 cm at 10°C. By how much has its area increased when its temperature is 40°C? Assume that the glass is free to expand.

A glass window is 200 cm by 300 cm at 10°C. By how much has its area increased when its temperature is  40°C? Assume that the glass is free to expand.

Grade:upto college level

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