In the given figure, ABCD is a quadrilateral in which AD=BC and ∠ADC

1.	In the given figure, ABCD is a quadrilateral in which AD=BC and ∠ADC=∠BCD. Show that the points A,B,C,D lie on a circle.
Answer» In the given figure, $A B C D$ is a quadrilateral in which $A D = B C$ and $∠ A D C = ∠ B C D$ . Show that the points $A, B, C, D$ lie on a circle.

In the given figure, ABCD is a quadrilateral in which AD=BC and ∠ADC=∠BCD. Show that the points A,B,C,D lie on a circle.

Answer»

In the given figure, $A B C D$ is a quadrilateral in which $A D = B C$ and $∠ A D C = ∠ B C D$ . Show that the points $A, B, C, D$ lie on a circle.