In the figure, O is the centre of the circle and the measure of arc ABC is 100o. The measure of angle ABC will be
110o
80o
130o
200o
In the given figure, O is the centre of the given circle and measure of arc ABC is 100∘. Determine ∠ADC and ∠ABC
In the figure, triangle ABC is an isosceles triangle with AB = AC and measure of angle ABC = 50o. Then the measure of angle BDC and angle BEC will be
In the figure, P is hte centre of an excircle of ▲ ABC. If ∠ABC=40° and ∠BAC=80°, find the angle measure of triangle APC.