Triangle Sum Theorem Worksheet Answer Key. The triangle sum theorem is also called the triangle angle sum theorem or angle sum theorem. Angle oac 120 and angle boc 80 calculate the size of the followmg angles giving a geometrical reason for each of your answers.
Find the value of x in the following triangle. Here s what s included in in this great lesson pack a review of triangle classifications 2 half sheet warm up exercises 2 different versions of a discovery worksheet for triangl. Find the value of x in the following triangle.
The triangle sum theorem states that the sum of the three interior angles in a triangle is always 180.
Chose the answer that defines the triangle sum theorem. These angles include the angle sum theorem the isosceles triangle theorem and exterior angle theorem. Students are asked to set up and solve linear equations to find th. Triangle angle sum theorem worksheet answer key 1 4 in the diagram o is the centre of the circle.
