Geometry Triangle Sum Theorem Worksheet. As you can see from the picture below if you add up all of the angles in a triangle the sum must equal 180. The triangle sum theorem states that the sum of the three interior angles in a triangle is always 180.
The file contains the student worksheet and t. Printable in convenient pdf format. This worksheet is a fun way for your students to practice using the triangle sum theorem with a fun new year theme for january.
Some of the worksheets for this concept are 4 angles in a triangle triangle work triangle sum and exterior angle theorem 4 the exterior angle theorem name geometry polygons n sum of the interior angles of a triangle sum of the interior angles of a triangle.
This may be one the most well known mathematical rules the sum of all 3 interior angles in a triangle is 180. Find the value of x in the following triangle. X 24 32 180 sum of angles is 180 x 56 180 x 180 56 124 worksheet 1 worksheet 2 using triangle sum theorem. Triangle angle sum the exterior angle theorem triangles and congruence sss and sas congruence asa and aas congruence sss sas asa and aas congruences combined.
