Chapter 10 - Circles Lesson 10.3 â Arcs and Chords
Chapter 10 - Circles Lesson 10.3 â Arcs and Chords
Chapter 10 - Circles Lesson 10.3 â Arcs and Chords
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Inscribed: A polygon is inscribed in a circle if all the vertices of thepolygon are on the circle. (Refers to the shape inside.)Circumscribed: A circle is circumscribed about a polygon if all thevertices of the polygon are on the circle. (Refers to the shapeoutsided, usually a circle.)Example 2: A regular hexagon is drawn in a circle aspart of a logo for an advertisement. If oppositevertices are connected by line segments, what is themeasure of angle P in degrees?360/6 = 60°Example 3: Circle W has a radius of <strong>10</strong> centimeters. Radius WL isperpendicular to chord HK , which is 16 centimeters long.a. If mHL 53, find mMK .127°b. Find JL. JL = <strong>10</strong> – 6 = 4<strong>Lesson</strong> <strong>10</strong>.3 – Page 2
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