Question

ABCD is a quadrilateral in which all four angles are equal . show that AB||CD and AD||BC​

Answer 1

Answer:

ur answer is here

Step-by-step explanation:

given:all angles are equal

to prove:AB parallel to CD

AD parallel to BC

proof: angle a=b=c=d{given}

so,angle a+b=c+d

a+b=180(co-interior angles)

and if sum of co int. angles are 180 then the sides AB parallel to CD

and AD parallel to BC.

HENCE PROVED.