We will look at geometric objects related to circles. The first object is a radius.
The next geometric object for us to examine is a chord.
Our next geometric object is a diamter.
Next on our list of geometric objects is a secant line.
The next geometric object is one that has great significance within calculus. It is a tangent.
The next geometric object is called the point of tangency.
An interesting fact concerning point of tangencies is this: A radius drawn to a point of tangency is always perpendicular to the tangent line. This can be seen within the next diagram.
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