Khan Academy
Khan Academy: Ca Geometry: Basic Trigonometry
Demonstrates solutions to problems #61-65 of California Geometry released state test questions. Problems address the equation of a circle, basic trigonometry. [11:04]
Khan Academy
Khan Academy: Geometry: Basic Trigonometry
Problems address the equation of a circle, basic trignometry.
Sophia Learning
Sophia: Finding the Equation of a Circle: Lesson 4
This lesson derives the equation for a circle starting from the distance formula. It is 4 of 9 in the series titled "Finding the Equation of a Circle."
Sophia Learning
Sophia: Finding the Equation of a Circle: Lesson 5
This lesson derives the equation for a circle starting from the distance formula. It is 5 of 9 in the series titled "Finding the Equation of a Circle."
Sophia Learning
Sophia: Finding the Equation of a Circle: Lesson 6
This lesson derives the equation for a circle starting from the distance formula. It is 6 of 9 in the series titled "Finding the Equation of a Circle."
Sophia Learning
Sophia: Finding the Equation of a Circle: Lesson 9
This lesson derives the equation for a circle starting from the distance formula. It is 9 of 9 in the series titled "Finding the Equation of a Circle."
Sophia Learning
Sophia: Equations for the Circle: Lesson 2
This lesson presents the standard form and the general form for the equation of a circle, and relates the two. It is 2 of 5 in the series titled "Equations for the Circle."
Sophia Learning
Sophia: Equations for the Circle: Lesson 4
This lesson presents the standard form and the general form for the equation of a circle, and relates the two. It is 4 of 5 in the series titled "Equations for the Circle."
Sophia Learning
Sophia: Equations for the Circle: Lesson 1
This lesson presents the standard form and the general form for the equation of a circle, and relates the two. It is 1 of 5 in the series titled "Equations for the Circle."