One of the equal angles of an isosceles triangle is ${50}^{\circ }$. Find the third angle of this triangle.

If each of the two equal angles of an isosceles triangle is 68${}^{\circ }$, find the third angle.

Question 121

Each of the two equal angles of an isosceles triangle is four times the third angle. Find the angles of the triangle.

In an isosceles triangle, one of the equal angles measures ${50}^{\circ }$. The sum of all the exterior angles of the same triangle is ___ (in degrees)​.

One of the base angles of an isosceles triangle is equal to ${45}^{\circ }$. Find the vertex angle of the triangle.