Geometry Circles

Card Set Information

Author:
Henri93
ID:
274338
Filename:
Geometry Circles
Updated:
2014-05-13 19:20:50
Tags:
Geometry Circles
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Description:
Geometry Circles
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  1. the measure of the minor arc is equal to the measure of
    its corresponding central angle
  2. If a line is tangent to a circle, then the line is
    perpendicular to the radius at the point of tangency
  3. If two tangent segments to a circle share a common endpoint outside the circle
    then the two segments are congruent
  4. Within a circle or in congruent circles, congruent central angles have congruent
    chords
  5. Within a circle or in congruent circles, chords equidistant from the center are
    congruent
  6. In a circle, if a diameter is perpendicular to a chorde then
    it bisects the chord and its arc
  7. The measure of an inscribed angle is
    half the meausre of its intercepted arc
  8. The measure of an angle formed by a tangent and a chord is
    half the measure of the intercepted arc
  9. The measure of an angle formed by two lines that intersect inside a circles is
    half the sum of the measures of the intercepted arcs. 1/2(x+y)

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