The sum of the angles of a triangle is two right angles or `180^@.`

The sum of the angles in a triangle is equal to two Right angles.

The sum of the three angles of a triangle is 180^(@)

Sum of the three angles of a triangle is 180^@ .

The sum of the measures of three angles of a triangle is greater than 180^@

Show that if sum of the two angles of a triangle is equal to the third angle then the triangle is right angled triangle.

Fill in the following blanks : In every triangle, the sum of (interior) angles of triangle = . . . . right angles.

Can the sum of the two angles of a triangle be less than the third angles?

Prove that if one angle of a triangle is equal to the sum of the other two angles, the triangle is right angled.

Theorem 6.7 : The sum of the angles of a triangle is 180º