By using Cartesian equations for circles on the Cartesian plane
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35/60 x 360 = 210
x2+y2+4x+2y+3=0(x+2)2 + (Y+2.5)2 = 3This is the equation of circle with center at (-2,-2.5) with radius 3.5
There are probably several ways to approach it; one general equation for the circle is: (x - a)2 + (y - b)2 = r2 This describes a circle with center at coordinates (a, b), and with a radius of r.
the radius is from the center of the circle to the edge so that's how you find the radius.
The distance from any point on the circle to the origin