Definition, equation, Formula, Solved Example Problems, Exercise | Mathematics - Circles | 11th Business Mathematics and Statistics(EMS) : Chapter 3 : Analytical Geometry
Chapter: 11th Business Mathematics and Statistics(EMS) : Chapter 3 : Analytical Geometry
Circles
A circle is the locus of a point which moves in such a way that its distance from a fixed point is always constant.
Circles
Let P(x, y) be any point on the circle
1. The equation of a circle when the centre and radius are given.
Let C(h, k) be the centre and ‘r’ be the radius of the circleLet P(x, y) be any point on the circle
2. Equation of a circle when the end points of a diameter are given
3. General equation of a circle
4. Parametric form of a circle
Consider a circle with radius r and centre at the origin. Let P (x, y) be any point on the circle. Assume that OP makes an angle iwith the positive direction of x-axis.5. Tangents
Length of the tangent to the circle
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11th Business Mathematics and Statistics(EMS) : Chapter 3 : Analytical Geometry : Circles | Definition, equation, Formula, Solved Example Problems, Exercise | Mathematics
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11th Business Mathematics and Statistics(EMS) : Chapter 3 : Analytical Geometry