Which of the following angles form a triangle?
100o, 50o, 40o
110o, 50o, 40o
160o, 10o, 10o
10o, 70o, 40o
The angle sum property of a triangle states that the sum of all angles of a triangle is equal to 180°.
Since 160o + 10o + 10o = 180o
The angles 160°, 10° and 10° make a triangle.