Instructional Video9:10
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Circle Theorems: 12 Theorems Based on Circles

9th - Higher Ed
Circle Theorems part 2/3: The teacher in the video explains and proves 9 out of 12 theorems related to circles, using basic concepts and properties of triangles. The theorems include equal chords of a circle, angles subtended by an arc...
Instructional Video1:12
Brian McLogan

How to determine the angle of an inscribed angle of a tangent and secant line

12th - Higher Ed
Learn how to solve problems with secant lines. A secant line is a line that intersects a circle at exactly 2 points in contrast to a tangent line which is a line that touches a circle at exactly one point. When two secant lines...