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3 years ago
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Rosalinda Hand
1 Answer
Qualified Mathematics teacher with experience tutoring to degree level
The equation of a circle is a wonderful way to display information about the circle itself.
Let's look below at an example of a circle equation in its proper form:
In order to find the centre of the circle, we simply look at the values within the brackets. The centre in this case would be (2, 4) .
The radius is the square root of the right hand side of the equation. In this case it would be r = 4.
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