Unit Nine part two
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5 terms
Terms | Definitions |
|---|---|
 Theorem 9.9 | The measure of an angle 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 2 secants, 2 tangents or a secant and a tangent drawn from a point outside the circle is equal to half the difference of the measures of the intercepted arcs |
| Theorem 9.11 | When two chords intersect inside a circle the product of the segments of one chord equals the product of the segments of the other chord |
| Theorem 9.12 | When two segments are drawn to a circle from an external point the product of one secant segment and its external segment equals the product of the other secant segment and its external segment |
| Theorem 9.13 | When a secant segment and a tangent segment are drawn to a circle from an external point, the product of the secant segment and its external segment is equal to the square of the tangent segment |
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