Triangle Quiz

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

45° 90° 60°

If a triangle has an angle of 90 degrees, what is it called?

acute obtuse right angled

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°