Question

PROVE THAT IF ANY SIDE OF ANY QUADRILATERAL WILL BE EQUAL THE QUADRILATERAL WILL BE A PARALLELOGRAM.
PLEASE PROVIDE EXPLANATION ALSO. ​

Answer 1

Answer:

if opposite angles of the quadrilateral is equal then the figure is parallelogram.

Step-by-step explanation:

if there is an angle ABC and angle B= 80°

and there is an angle ADC and angle D=80°

So,

if you join this two angle then the angle forming will be an parallelogram