geometry-vocabulary-circles-moomoomath

# Interactive video lesson plan for: Geometry Vocabulary-Circles-MooMooMath

#### Activity overview:

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

http://geometrycoach.com/Geometry-Lesson-Plans/?pa=MOOMOOMATH
Circles

Note taking guide
http://www.moomoomath.com/Investigating-Geometry-Online.html

Lesson 1
00:27 Introduction to the Geometry Vocabulary
00:38 Circle defined and illustrated
02:30 Chord defined and illustrated
03:24 Diameter defined and illustrated
04:18 Secant defined and illustrated
05:28 Tangent defined and illustrated
06:33 The following question is worked out with many examples
Tell whether the line,ray, or segment is best described as a radius,chord,diameter,secant or tangent of the circle
09:15 Explanation of Circle theorem that states,
In a plane a line is tangent to the circle if and only if it is perpendicular to the radius of the circle at it's end point

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Tagged under: geometry,chord,circle,diameter,Geometry (Field Of Study),math ,tangent,Moomoomath,Circles,radius,tangent circle,secant

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