In the figure below AB is parallel to DE, angle ABD = 30o and angle DCE = 70o. Giving reasons, find angle:

      

In the figure below AB is parallel to DE, angle ABD = 30o and angle DCE = 70o. Giving reasons, find angle:
(i) CDE
(ii) CEF.
mathematics69201712250.jpg

  

Answers


John
(a) CDE = 30o

(Alternate angle to ABC)

(b) CEF = 30o + 70o = 100o

sum of two interior angles

equal to one exterior angle.
johnmulu answered the question on June 9, 2017 at 11:54


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