Triangle Quiz

1. What is the third angle for the triangle where angle1 = 45° and angle2=45° ?

45° 60° 90°

2. If a triangle has an angle of 90°, what is it called ?

acute angled obtuse angle right angled

3. If the sum of 2 angles of triangle is 120°, then the third angle is?

45° 60° 90°

4. The perimeter of scalene triangle with sides a, b, c is

a+b+c 2a None of the above

5. If the largest angle in a triangle is 70°, what is the least possible value of the smallest angle of the triangle?

30 10 40