Question

In the given figure, side BC of angle ABC has been produced to D​

Answer 1

Answer:

Please refer to the image for your solution.

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Answer 2

Answer:

• In ∆ABC

angle A+B+C=180°

40°+70°+C=180°

110°+C=180°

C=180°-110°

C=70°

angle ABC=angle ECD(Corresponding angles)

angle ECD=70°

NOW

• angle ACB+ACE+ECD=180°(Linear pair)

70°+ACE+70°=180°

ACE=180°-140°

ACE=40°

angle ACD=40°+70°

110°

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