Sum of interior angle of a triangle is dash

- The sum of the interior angle of a triangle is dash degree
- The exterior angle of a triangle is dash sum of interior opposite angles
- The sum of an exterior angle of a triangle and its adjacent interior angle is dash
- An exterior angle of a triangle is dash the sum of two interior opposite angles
- Dash angle of a triangle is equal to the sum of interior opposite angles
- Сан аралыктары 8 класс