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The center of the circle is the center of attention for the resource. A brief video in the Socratica Geometry playlist shows how to find the center of a circle not on the coordinate plane. The method here is to construct the perpendicular bisector of two chords and see where they intersect.
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CCSS:
Adaptable
Additional Tags
Instructional Ideas
- Have the class find centers of circles using a compass and straightedge
Classroom Considerations
- Learners must be familiar with chords and perpendicular bisectors
- Pupils should also have knowledge of systems of equations
- This video is hosted on YouTube
Pros
- Thorough explanations make the concept clear
- Different colors help distinguish between line segments
Cons
- None