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Review the standard and expanded forms of circle equations, and solve problems concerning them.
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Lesson 1: Area and circumference of circles. Geometry FAQ. Radius, diameter, circumference & π. Labeling parts of a circle. Radius, diameter, & circumference. Radius and diameter. Radius & diameter from circumference. Relating circumference and area. Circumference of a circle.
Lesson 1: Area and circumference of circles. Geometry FAQ. Radius, diameter, circumference & π. Labeling parts of a circle. Radius, diameter, & circumference. Radius and diameter. Radius & diameter from circumference. Relating circumference and area. Circumference of a circle.
Given a circle on the coordinate plane, Sal finds its standard equation, which is an equation in the form (x-a)²+(y-b)²=r².
Course: Algebra 2 > Unit 10. Lesson 5: Quadratic systems. Quadratic systems: a line and a parabola.
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Course: High school geometry > Unit 8. Lesson 4: Introduction to radians. Radians as ratio of arc length to radius. Arcs, ratios, and radians. Intro to radians. Radians & degrees. Degrees to radians. Radians to degrees.