Q1 of 18 Page 103

In Fig. 6.28, find the values of x and y and then show that AB || CD.

From the figure:

x + 50o = 180o (Linear pair)


x = 130o


And,


y = 130o (Vertically opposite angles)


Now,


x = y = 130o (Alternate interior angles)


Hence,


AB || CD


More from this chapter

All 18 →
5

In Fig. 6.17, POQ is a line. Ray OR is perpendicular to line PQ. OS is another ray lying between rays OP and OR. Prove that∠ ROS =(∠ QOS –∠ POS).

 6

It is given that ∠ XYZ = 64° and XY is produced to point P. Draw a figure from the given information. If ray YQ bisects ∠ ZYP, find ∠ XYQ and reflex ∠ QYP.

 2

In Fig. 6.29, if AB || CD, CD || EF and y : z = 3 : 7, Find x.

 3

In Fig. 6.30, if AB || CD, EF ⊥ CD and∠ GED = 126°, find ∠ AGE, ∠ GEF and ∠ FGE.