Question about Office Equipment & Supplies
The formula for a circle in standard form in (x-h)^2 + (y-k)^2 = r^2, where r is the radius, the point (h,k) is the centre of the circle, and ^2 means squared.
Substituting in 0 for h and 0 for k, and 1 for r, you will get your formula.
Posted on Apr 15, 2015
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Posted on Jan 02, 2017
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