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OpenStudy (anonymous):
Find angle A if mDE is equal to 53°and mBC is equal to 8°
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OpenStudy (anonymous):
OpenStudy (anonymous):
Which grade/class is this?
OpenStudy (anonymous):
Measure of angle A = (1/2)(mDE-mBC)
OpenStudy (anonymous):
"If two secants intersect in the exterior of a circle, then the measure of the angle formed is one half the difference of the measures of the intercepted arcs."
OpenStudy (anonymous):
?
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OpenStudy (anonymous):
22.5 degrees.
OpenStudy (anonymous):
its not 45?
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