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01-04-2020
Mathematics

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15 PTS PLEASE HELPPPP! If you can, please provide explanation!!!!!! I want to understand how this works!!!!

Lines CD and CE are tangent to circle a. If m∠DAE = 140°, what is the measure of ∠DCE?

80°

140°

40°

220°

15 PTS PLEASE HELPPPP If you can please provide explanation I want to understand how this works Lines CD and CE are tangent to circle a If mDAE 140 what is the class=

Respuesta :

01-04-2020

Answer: 40

Step-by-step explanation:

140 times 2 = 280

360 - 280 = 80

80 times 1/2 = 40

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