Angle Sum Property of a Triangle
Angle Sum Property of a Triangle: Overview
This topic covers concepts, such as, Property Related to Sum of Angles in Triangles etc.
Important Questions on Angle Sum Property of a Triangle
The measure of an angle of a right-angled triangle is . Find the measure of its other angle in degree .

In the triangle ABC, sides BC, CA, and AB are extended to point D, E, and F so that $\angle$BAE, $\angle$ACD, $\angle$CBF are exterior angles.
What is the sum of the exterior angles?
Find the sum of the exterior angles in degrees.

In the triangle below, _____.

What is the value of in the below triangle?
The value of _____degrees.

If the angles of are in the ratios , then it is _____ angled triangle.

In , and. If , then what is the numerical value of ?

Sum of the angles of a triangle is _____.

In the adjoining figure, is the centre of the circle and is a tangent to it at point If,then find value of
.

In the given figure, is the diameter of the circle with centre and is the tangent. Calculate the numerical value of .

In the given figure, is a cyclic quadrilateral, is tangent to the circle at point and is its diameter. If and find .

If is a tangent to the circle at calculate Given that, is the centre of the circle and angle

EDC is a triangle formed in this image. What is the value of angle q ?

In the figure, find the value of $ \angle $AED.
$ \angle $AED = _____degrees.

In figure, using angle sum property of a triangle, find out value of x in terms of $ \alpha $ , $ \beta $ , $ \gamma $ ?

In the triangle PQR above, what is the value of x?

In triangle PQR above, what is the measure of angle marked x?

In the above figure, what is the measure of the angle marked x?

In the triangle AOB, AO is extended to point D and BO is extended to point C.
Identify the set of exterior angles?

In the triangle below side, BC is extended to point D.
Which of these statements is correct about the measure of $\angle$ ACD?

In the triangle below, $\angle$ABC = $\angle$ACB.
The measure of $\angle$ABC = _____ degrees.
