Question

if ABCD is a quadrilateral in which a b parallel to CD and AD equals to BC prove that angle A is equal to Angle B

Answer 1

Given=AB parallel to DC and AD parallel to BC
To Prove=Angle ADC=Angle ABC
Proof=
AB parallel to DC andAD parallel toBC so ABCD is a parallelogram and opposite angles of parallelogram are equal so angle ADC =angle ABC

hope it helps you

Answer 2

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