When two secants (Line A + B<span> and </span>Line C + D) intersect, they form an angle (∠y) equal to:
½ (the larger intercepted arc minus<span> the smaller intercepted arc)
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(Make sure to look at the graphic I posted)
½ (the larger intercepted arc minus<span> the smaller intercepted arc)
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(Make sure to look at the graphic I posted)
