circles-tangentssecants-and-chords

Interactive video lesson plan for: Circles Tangents,Secants and Chords

Activity overview:

Geometry Teachers Never Spend Time Trying to Find Materials for Your Lessons Again!

http://geometrycoach.com/Geometry-Lesson-Plans/?pa=MOOMOOMATH
Link for the note taking guide
http://www.moomoomath.com/High-school-geometry-help.html

Circles part 2 Lesson 1
Video Guide
:30 Lengths of the tangents explained
1:23 Rules for two tangents drawn to a circle
2:11 Finding the perimeter of a triangle using tangents of a circle
2:35 Formula for chords explained
3:20 Application problem using the formula for chords
4:30 Formula for secants ( The product of the lengths of the secant segment and it's external segment is equal to the product of the lengths of the second secant segment and its external segment
4:53 Formula for secants explained
7:08 Application problem using one secant and one tangent
8:11 Example problem using a circle,tangent, and a secant

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Tagged under: secants circle,tangent,math ,secants,Circles,length tangents,geometry,Moomoomath

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