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Write down the centre and radius of the circle x²+y²=20 Simplify your answer.
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3 votes
Write down the centre and radius of the circle x²+y²=20
Simplify your answer.

User Wruckie
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1 Answer

7 votes
The center of this circle is (0,0)
The radius is √(20) or 2√(5) or 4.472136
User Hmontoliu
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