1.

1. In the given figure, ABCD is a trapezium in which AB IDC. If ZA = 55° and LB-70hZC and ZD.55°70°

Answer»

AB||DC

angle D = 180° - 55 ° = 125°( Co - interior angle)

angle C = 180° - 70° = 110°( Co - interior angle)



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