1.

4013c in the adjoining Figure, XYll BC. Find the values of x, y. zzaah nt the three angles.

Answer»

ABC is a traingle so <Abc+<bca+<cab=180°.so z=110°and z and y is corresponding angles..so z=y or y=110°.And AXY is a traingle so <axy+<xya+<yax=180°so x=30°.



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