coolaidd
Find angle A if mDE is equal to 53°and mBC is equal to 8°
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coolaidd
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trackzz
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Which grade/class is this?
j814wong
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Measure of angle A = (1/2)(mDE-mBC)
j814wong
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"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."
85295james
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?
j814wong
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22.5 degrees.
coolaidd
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its not 45?