circles. 10.1 Tangents to Circles. Circle Radius Diameter Chord Secant Tangent. Write the following down. Tangent. Circle. Radius. Diameter. Chord. Secant. Based on the picture write your own definitions….
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10.1 Tangents to Circles
SecantBased on the picture write your own definitions…
a set of all points in a plane that are equidistant from a given point
distance from the center to a point on a circle.
the distance across a circle through the center.
Common Internal Tangent – Intersects the segment that joins the centers of the two circles.
Common External Tangent – Does not intersect the segment that joins the centers of the two circles.
20Is the segment tangent to the circle?
So the segment is tangent.
15.5Is the segment tangent to the circle?
8 ftFind the radius, given that BC is tangent to the circle, and therefore perpendicular to the radius.
BDraw! (If two segments from the same exterior point are tangent to a circle, then they are congruent.
CA = CB
2x + 10 point.
4x - 15Find x
2x + 10
4x - 15Find x
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