In the figure , `angle` ACD is an exterior angle of `triangle` ABC, `angle A =70^@, angleB =40 ^@` . Find measure of `angle` ACD .

In the following figure, angleACD is an exterior angle of DeltaABC . angleB = 40^@ , angleA = 70^@ . Find the measure of angleACD .

For Delta ABC , find the measure of angle ACD .

In the figure , angle QPR and angle PST are exterior angles of triangle PRS . If angle PRS=50 ^@ and angle QPR= 80^@ , then find measure of angle PST.

For triangle ABC , find the measure of triangle ACD .

The two interior opposite angles of an exterior angles of a triangle are 60^@ and 80^@ . Find the measure of the exterior angle.

Find the angle A in triangle ABC, if angle B=60^∘ and angle c=70^∘

triangle ABC is right angled at C and CD bot AB, angle A = 55^(@) , angle ACD =