Math, asked by amar31206, 11 months ago

class now ninth cbse board​

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Answers

Answered by Anonymous
1

The hand writing is not understoodable so, sorry

Answered by sravankumarssk99
0

Answer:

Step-by-step explanation:

Given angle ∠ACD is 110°

Angle of a straight line is 180°

⇒ ∠ACB + ∠ACD = 180°

   ∠ACB = 180° - 110°

              = 70°

By exterior angle theorem,

  ∠CAB + ∠ABC = 110°

*Either  ∠CAB or ∠ABC should be given in question substitute that angle in last equation you will get answer and to check angle sum property add all 3 interior angles ans will be 180°

   

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