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CBSE Class 7 Answered

ACD is an exterior angles of ABC .The measures of A and B are epual .If m ACD=140 ,find the measures of the angles A and B
Asked by kandas413 | 18 Sep, 2018, 06:24: PM
answered-by-expert Expert Answer
 
 
 
An exterior angle of a triangle is equal to the sum of opposite interior angles.
 
Therefore,
 
angle ACD = angle A + angle B
 
140 = 2× angle A  ........(The measures of A and B are equal)
 
Therefore angle A = angle B = 700
Answered by Yasmeen Khan | 19 Sep, 2018, 03:04: PM
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