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CBSE Class 10 Answered

Plz answer.................................
Asked by anupam | 30 Oct, 2009, 07:48: PM
answered-by-expert Expert Answer

By using exterior angle theorem we get,
ADB = x + y

ADC = 2x + y

AB = DC

By angle sum property, we get

3x + 2y = 180o

2y = 180o - 3x

Therefore, A = 180o - 3C

To find the measure of angle C we need one more condition. Please confirm the question once again.

 

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