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coolaidd
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j814wong
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"Theorem: The measure of the angle formed by two chords that intersect inside the circle is ½ the sum of the chords' intercepted arcs."

j814wong
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measure of angle x = (1/2)(angle AD + angle BC)

j814wong
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Sorry, it should be + not  as I wrote in the first response

coolaidd
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ok..soo what do i do

j814wong
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Angle x = (1/2)(140 degress + 90 degrees)

coolaidd
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x=160?

j814wong
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x=(1/2)(230)

coolaidd
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115?

j814wong
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Yeah

coolaidd
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THANKS!! :)

j814wong
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Your welcome again