Math 9: Tangents to a Circle

Tema:Círculo, Geometría, Recta Tangente o Tangente

Note that line segment AB is tangent to the circle at point D. Move Point E around the circle to create a chord that passes through the centre of the circle. What do you notice about the angle?

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What Do You See?
Linear Equation Graphs: Thin Slice
Pythagorean Template: Integer Legs
Absolute Value Functions f(x)=a |x - h| + k
Parabolas, Lines and Nomograms

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Construction of Ellipse
Exploring the geometry of first and second derivatives.
cartesian dynagraph
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Geometric Series Diagram
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Función Tangente
Boceto
Perímetro
Figuras planas
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