Question

if bisectors of angle A and angle B of a quadrilateral ABCD intersect each other at P of angle B and angle C at Q of angle C and angle D at R and of angle D and angle A at S then PQRS is a

Answer 1

Answer:

if angle a b c d is a quadrilateral then it is a vertically opposite angle

Answer 2

Answer:

PQRS is either a square or a rectangle