## Sum of the angles of a triangle

Students prove that the sum of the interior angles of a triangle is 180 degrees. Students are introduced to Geometer's Sketchpad through a demonstration then try their hand at proving the interior angle's measurement.

7th - 8th
21st Century Skills
3 Views
2 Downloads

##### Resource Details

#### Start Your Free Trial

#### What Members Say

- Sindy M.
- Abilene, TX