[" 11.ABCD is a quadrilateral in which all the four angles are equal.Show that "],[AB||CD" and "AD||BC]

ABCD is a quadrilateral in which AB=BC and AD =CD ,Show that BD bisects boht the angle ABC and ADC

The figure ABCD is a quadrilateral in which AB = CD and BC = AD. Its area is

If ABCD is a quadrilateral in which AB|CD and AD=BC, prove that /_A=/_B.

ABCD is a quadrilateral in which AB=CD and AD=BC. show that it is a parallelogram.

ABCD is quadrilateral in which AB |\| DC and AD |\| BC . Find angle b, angle c, angle d .

ABCD is a quadrilateral. Is AB+BC+CD+DA > AC+BD ?

ABCD is a quadrilateral in which AB=BC and AD =CD ,Show that BD bisects both the angle ABC and angle ADC .

ABCD s a trapezium in which AB||CD and AD=BC angleC=angleD

ABCD is a trapezium in which AB abs CD and AD = BC. Show that A=B