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Equation of a Circle | grade 10 | jensenmath.ca

In this lesson you will learn about the equation of a circle centred at the origin or any point (h,k). You will learn how to write the equation of a circle given the radius or a point on the circle. You will also learn how to determine if a point lies inside, outside, or on a circle. Finally, you will learn how to calculate the shortest distance from a point to a circle. This lesson corresponds to section 2.4 of the McGraw Hill Principles of Math 10 textbook. Go to jensenmath.ca for supporting materials. 0:00 - definitions and equations 3:11 - example 1, equation given radius 4:25 - example 2, given equation determine the radius 5:08 - example 3, equation given point 6:36 - example 4, inside outside or on circle 9:06 - example 5, equation of circle not centred at origin 10:15 - example 6, shortest distance from point to circle