Question

three points A,BandC lie on a circle of radius r . If ABC=55° and AB=2r then CAB equals to
a-90°
b-35°
c-45°
d-55°​

Answer 1

Answer:

ninty degree is the angle for CAB

Answer 2

Answer:

35

Step-by-step explanation:

if the radius is r then the diameter is 2r which is AB and the triangle made with a side of diameter then the opposite angle is 90. now u can solve it by using angle sum property