Unrolling a Circle
Pan right to see more of the line. I believe original credit for this often modified applet goes to Anthony Or.
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- Circumcenter vika
- Feurbach's Nine Point Circle- Scalene Triangle Ryne P1
- Presentation of the transition from an acute-angled triangle to an obtuse-angled triangle through the lengths of the segments marked off on the sides
- Angle at the center is twice at the circumference
- Midpoint Theorem: Formative Assessment