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Answered by
1
Answer:
60degree because segAB is parallel to segDC
Answered by
1
Answer:
60 degrees
Step-by-step explanation:
angle B and angle D are equal because interior alternative angles are equal. Then the sum of angle D and angle C will be 180 degrees as per the formula : sum of adjacent angles is equal to 180 degrees. If u subract 180 degrees and angle D (120 degrees), u will get angle c (60 degrees).
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