Lines CD and CE are tangent to circle a. If m∠DAE = 140°, what is the measure of ∠DCE?
T...
Mathematics, 07.04.2020 00:55 mkhayaro
Lines CD and CE are tangent to circle a. If m∠DAE = 140°, what is the measure of ∠DCE?
Tangent CD intersects with circle A at point D, tangent CE intersects with circle A at point E, angle ECD is on the exterior of circle A, and angle DAE has a vertex on the center of circle A.
80°
140°
40°
220°
Answers: 1
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