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the formula for the area of a circle is pi times r squared (sorry this website does not work today for presenting this better)

so 2826 = pi times r squared

so dividing through on both sides bi pi gives you:

2826 divided by pi = r squared

so r is the square root of (2826/ pi)

2826/pi = 899.5437384

so r is the square root of 899.5437384 = 29.99239468

r = 29.99 (to 2 decimal places)

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โˆ™ 2015-02-21 17:14:33
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Q: What is the radius of a circle with an area of 2826?
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