Question

1. Two chords BD and AC of a circle intersectes
other at E. IF A and B are the ends of a diameter
of the circle and if angle CBE = 25° and angle DEA = 60
then the measure of angle ADB is
(a) 90
(b) 85
(c) 95
(d) 120​

Answer 1

Answer:

angle ABD will be 90 degree by theorem