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. Examples: 3.12.12 Monday, March 12, 2012 7:51 AM H Geom - 1 Page 1

3.12the-buss-stop.weebly.com/uploads/6/5/6/5/6565854/3.12.12_h_geom… · 3.12.12 Monday, March 12, 2012 7:51 AM H Geom - 1 Page 1 . If , then H Geom - 1 Page 2 . Determine the measure

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Page 1: 3.12the-buss-stop.weebly.com/uploads/6/5/6/5/6565854/3.12.12_h_geom… · 3.12.12 Monday, March 12, 2012 7:51 AM H Geom - 1 Page 1 . If , then H Geom - 1 Page 2 . Determine the measure

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.

Examples:

3.12.12Monday, March 12, 20127:51 AM

H Geom - 1 Page 1