Triangle Sum Theorem Worksheet. Angle oac 120 and angle boc 80 calculate the size of the followmg angles giving a geometrical reason for each of your answers. The pythagorean theorem worksheet maker creates worksheets with up to 9 right triangles on each.
Chose the answer that defines the triangle sum theorem. Triangle angle sum theorem worksheet answer key 1 4 in the diagram o is the centre of the circle. The difference of all angles inside a triangle is 180 degrees.
The triangle sum theorem states that the sum of the three interior angles in a triangle is always 180.
Finding the exterior angle. Test and worksheet generators for math teachers. The difference of all angles inside a triangle is 180 degrees. Find the value of x.