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what is the equation of a circle used for. Two formulas are used to find circumference C C depending on the given information. Based on the general equation of a circle the equation is large x-12 y-12 32 x12 y 12 32 The above equation can be used for example to determine whether a point belongs to the circle or not.
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Also it can find equation of a circle given its center and radius. Write down the formula for finding the circumference of a circle using the diameter. R2 Radius2 A circle in the first quadrant with a radius of 4 tangent to both x- and y- axes must possess a.
What else can you do to work out the equation of the circle.
The formula is x h 2 y k 2 r 2. H and k are the x and y coordinates of the center of the circle x 9 2 y 6 2 100 is a circle centered at 9 6 with a radius of 10. Draw a curve that is radius away from a central point. The fixed point is called the centre of the circle and the fixed distance is called the radius of the circle.
