In the given figure, DE || OQ and DF || OR. Show that EF || QR.

In the given figure, DE||OQ" and "DF||OR . Show that EF||QR

In the given figure, DE || AC and DF || AE Prove that (BF)/(FE) = (BE)/(EC) .

In the given figures, OA = OB and OD = OC. Show that (i) triangleAOD = triangleBOC and (ii) AD||BC

In the given figure, DE||AC" and "DF||AE . Prove that (BF)/(FE)=(BE)/(EC)

In the given figure, AB||DE" and "BD||EF . Prove that DC^(2)= CF xx AC .

In the given figure, CD||LA" and "DE||AC . Find the length of CL if BE= 4 cm and EC= 2 cm.

In the given figure, AB||DC and AD||BC show that DeltaABC ~= Delta CDA .

In the given figure, AB || CD || EF. given that AB=7.5 cm, DC= y cm EF = 4.5 cm and BC = x cm, find the values of x and y.

In the given figure, DE||BC" and "PE||DC . If AP= 4 cm and PB= 12 cm, find AD.

In the given figure, AL || DC, E is mid point of BC. Show that DeltaEBL ~= DeltaECD .