Question

ABCD is a cyclic quadrilateral such that angleA=90°, angle B=70°,find angleC and angle D?​

Answer 1

Answer:

angle C is 45 and angle D is 35

Answer 2

Answer:

C = 180 - B = 180 - 70 = 110

D = 180 - A = 180 - 90 = 90

Reason:

Opposite angles of Cyclic triangle sum up to 180 degrees.