A circular logo is enlarged to fit the lid of a jar. The new diameter is 50 percent larger than the original. By what percentage has the area of the logo increased?

Question

nanschidera · Answer

25% because u have to divide the diameter of the logo to get the radius.

Anonymous · Answer

The area of the logo has increased by 125% when its diameter is increased by 50%. This was found by first calculating the original and new areas using the formula for the area of a circle, then determining the increase in area and finally calculating the percentage increase. This highlights how even a small increase in diameter can lead to a significant increase in area due to the square relationship in area calculations. 
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A circular logo is enlarged to fit the lid of a jar. The new diameter is 50 percent larger than the original. By what percentage has the area of the logo increased?

Answer (2)

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