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chapter 10 theorems ,Noura Almousa 10c (10.2 (sum of all angles are 360,…
chapter 10 theorems ,Noura Almousa 10c
10.1
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chord ,is a line through out the circle
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10.4
if an angle is inscribed ,then it measure is equal to the intercepted arc
if 2 angles inscribed in a circle ,then its intercepted part of an arc or a chord ,then the angles are congruent
an inscribed angle in a triangle intercepts a diameter or a semi circle if and only if the angles from a right angle
if a quadrilateral is inscribed in a circle ,then opposite angles are supplementary
10.5
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if 2 segments from the same exterior point are a tangent to circle ,then they are congruent
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10.6
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if 2 secants or chord intersects in the interior of a circle , then the measure of the angle formed is one halted the sum of the 2 arcs
if a secant or a tangent intersects at the point of tangency ,then the measure of each angle is one halfed its arc
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10.7
if 2 chords intersects in a circle ,then the product of the length of the chord segments are equal
if a tangent and a secent intersects in the exterior of a circle ,then the square of the measure od the tangent is equal to the product of the measures of the secant and its external secant segment
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