In Fig. 5.65 , show that
(i) AB ||CD
(ii) EF || GH

In Fig.57, show that AB||EF

In Figure,show that AB||EF

in the given figure show that (i) AB||CD (ii)CD||EF (iii) AB||EF

In given figure,show that AB|CD

In Fig. 5.59, AB||CD . Find the reflex angleEFG .

In the given figure, AB"||"CD and O is the midpoint of AD. Show that (i) DeltaAOB~=DeltaDOC. (ii) O is the midpoint of BC.

In Fig. 6.53, ∠1 = ∠ 2 and ∠ 3 = ∠ 4 . (i) Is ∆ADC ≅ ∆ ABC ? Why ? (ii) Show that AD = AB and CD = CB.

In Fig. 5.11 , if AB || CD , angleAPQ = 50^(@) and anglePRD = 130^(@) , then angleQPR is

In Fig. 6.27, AB || CD and CD || EF. Also E A_|_A B . If /_B E F=55o , find the values of x, y and z.

In Fig. 6.30, if AB||CD, EF_|_CD and /_G E D=126^@ , find /_A G E , /_G E F and /_F G E .