Quiz on triangles

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

45° 90° 60°

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

obtuse acute right-angled

A triangle can have

one right angle two right angles

Which of the following can form a right angled triangle?

14, 15, 26 12, 16, 20

Which of the following triangles are always similar?

Equilateral triangle Isosceles triangle

If one angle of a triangle is obtuse, then which one of the following is the possible measure of remaining angles?

100° 85°

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

30° 10°