Question

In fig AOC is the diameter of the cicle If angle CAB is 20 find angle ACB​

Answer 1

Answer:

Let the angle ACB be x

angle ABC = 90

we know that sum of angles in a triangle is 180

therefore x+90+20 = 180

x+110 = 180

x = 180-110

x = 70.

hope this helps you...

Answer 2

Answer:

20

Step-by-step explanation:

If we join OB,