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CBSE Class 10 Answered

in parallelogram one angle is 4/5th of the adjacent angle determines angles of the parallelogram. can iget solution for this question
Asked by dilieep62 | 11 Feb, 2019, 10:59: PM
answered-by-expert Expert Answer
If one angle of parallelogram is X, then its adjacent angle is (180-X).
 
Hence, we have  X = (4/5) [ 180 - X ]    or   5X = 720 - 4X   or   9X = 720   or X = 80
 
hence the required angle of parallelogram is 80°  
Answered by Thiyagarajan K | 11 Feb, 2019, 11:22: PM
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