Question

In the quadrileral ABCD show in the figure 10.10, angle 1= angle 2=90°.as AD||BC?
Justify your answer. ​

Answer 1

Answer:

angle 1=angle2=90 hence, AB is the transversal between AD andBC so angle 1+angle 2=180 by co interior angle

Answer 2

Answer:

yes,because lines ab and dc are transversals of ad1 and bc