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coolaidd
 3 years ago
Find angle A if mDE is equal to 53°and mBC is equal to 8°
coolaidd
 3 years ago
Find angle A if mDE is equal to 53°and mBC is equal to 8°

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trackzz
 3 years ago
Best ResponseYou've already chosen the best response.0Which grade/class is this?

j814wong
 3 years ago
Best ResponseYou've already chosen the best response.1Measure of angle A = (1/2)(mDEmBC)

j814wong
 3 years ago
Best ResponseYou've already chosen the best response.1"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."
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