Tangents on a Circle

Tangents on a Circle Theorem

Interact with point B and point C. What do you notice about the angle made by the tangent and the radius of the circle? State your own theorem for what kind of angle tangent lines meet circles at.

Novos Materiais

Golden Rectangles and Golden Spirals
A note on Erdős’s mysterious remark
以竹簽拼砌三角形
Experiments with Transformations in the Plane
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Descobrir recursos

TransformerInducedEs
Indefinite Integral (calculated numerically as a locus)
Tsunami
|x|>= 2
Similarity Question 3

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Geometria Fractal
Ortocentro
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