Question

32 / quadrilateral ABCD surrounds a circle. If AB = 6 cm, BC = 7 cm and CD = 4 cm, then AD
Search. (Note: Since the quadrilateral is perpendicular to the ABCD circle, AB + CD = BC + DA.)​

Answer 1

Answer:

ya it's a cyclic quadrilateral. in which sum of two opposite sides are always equal to the sum of two other sides. so AB +CD=BC+AD

6+4=7+AD OR AD=3