3.13the-buss-stop.weebly.com/uploads/6/5/6/5/6565854/3.13.12_h_geom… · 3.13.12 Monday, March 12,...
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9-6 Other Angles Theorem 9-9 The measure of an angles formed by two chords that intersect inside a circle is equal to half the sum of the measures of the intercepted arcs. Theorem 9-10 The measure of an angle formed by two secants, two tangents, or a secant and a tangent drawn from a point outside a circle is equal to half the difference of the measures of the intercepted arcs. 3.13.12 Monday, March 12, 2012 7:51 AM H Geom - 3 Page 1
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9-6 Other Angles
Theorem 9-9The measure of an angles formed by two chords that intersect inside a circle is equal to half the sum of the measures of the intercepted arcs.
Theorem 9-10The measure of an angle formed by two secants, two tangents, or a secant and a tangent drawn from a point outside a circle is equal to half the difference of the measures of the intercepted arcs.
3.13.12Monday, March 12, 20127:51 AM
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Examples:
If , then
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Determine the measure of angles 2, 4, 6, 8, and 10
Practice:
Determine the measures of each angle
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359-60 #1-23 odd, 27, 29p.Homework: p. 358-59 Classroom Exercises #1-9
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