Question

Abcd is cyclic quad where AC and bd are diagonals and angle dbc=55and angle bac =45 find angle bcd

Answer 1

Answer:

In a cyclic quadrilateral, the sum of each pair of opposite angles is 180 degrees.

45 + x + x + 45 =180

90 + 2x = 180

2x = 180 -90

x = 90/2

x =45