robynmcmullin2p8qz0d robynmcmullin2p8qz0d

15-05-2018
Mathematics

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The area of a circle 220mm in diameter is approximately how many times greater than the area of a circle 30mm in diameter?

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dvikhan dvikhan

15-05-2018

The first circle is approximately 44 times greater than the second cirle

Radius = 110 mm
110² = 10,000 mm² = Area

Radius = 15 mm
15² = 225 mm² = Area

Hope this helps!

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