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pg 651
A chord is a line segment with each endpoint on the circle
A diameter is a chord that passes through the center of the circle.
A secant of a circle is a line that intersects a circle at exactly two points
1. Draw a chord
2. Draw a diameter
3. Draw a secant
A tangent of a circle is a line that intersects a circle at exactly one point. The point of intersection is called the point of tangency.
Draw a line tangent to circle Owith a point of tangency at Wesley.
A central angle is an angle whose vertex is the center of the circle.
An inscribed angle is an angle whose vertex is on the circle.
pg 656
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