Corbett Maths
Parts of the Circle
Before you can do anything with circles, you need to know the parts of the circle. Viewers of a short video see how to label relevant information about a circle. The resource covers radius, diameter, circumference, chord, tangent, arc,...
Curated OER
Radius, Chord, Diameter, and Secant
What do a secant, chord, diameter, and radius all have in common? They are all components or measurements of a circle! This clip quickly defines each of these terms using verbal, written, and diagram examples.
Khan Academy
Khan Academy: Geometry: Circle Area Chords Tangent
This video [10:06] contains touches the following topics: Pythagorean theorem, 45-45-90 triangles, 30-60-90 triangles, circumscribed polygons, area, chord length and tangents to circles.
Sophia Learning
Sophia: Minors: Lesson 5
This lesson defines minors and their relationship to determinants. It is 5 of 7 in the series titled "Minors."
Sophia Learning
Sophia: Minors: Lesson 6
This lesson defines minors and their relationship to determinants. It is 6 of 7 in the series titled "Minors."
Sophia Learning
Sophia: Minors: Lesson 1
This lesson defines minors and their relationship to determinants. It is 1 of 7 in the series titled "Minors."