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26-09-2020
Mathematics

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The area of circle 200mm is diameter approximately how many times greater the the are of a circle40mm in diameter

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adingates adingates

26-09-2020

Answer:

The area of a circle is pi times radius squared. So the area is proportional to radius squared. 200/40 = 5, and 5 squared = 25.

Step-by-step explanation:

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