If angle 1 is 57° and angel 6 is 123° proved that l parallel m
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4
Step-by-step explanation:
If one angle is 57°
another angle is 123°
their sum =57°+123° =180°
we know that ,In the Parallelogram the sum of adjacent angles is 180°
therefore , Given angles are the angles of a parallelogram
Answered by
11
If one angel is 57°.
Another angel is 123°.
Their sum = 57° + 123° = 180°.
- The answer is 180°.
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