Quiz on Triangle

1. This type of triangle has one 90 degree angle?

acute right obtuse

2. A triangle where all sides are congruent is called?

scalene isosceles equilateral

3. All 3 interior angles of a triangle add up to?

90 degrees 180 degrees 360 degrees

4. What is a triangle called if all its angles are acute angles?

acute angled triangle oblique triangle golden triangle

5. What is a triangle called if lengths of all three sides are equal?

equilateral triangle bilateral triangle multilateral triangle

6. What is a triangle with all three sides of different lengths called?

integer triangle scalene triangle Brocard triangle

7. What is the type of triangle if in ∆ ABC, seg AB and seg BC have equal lengths?

Kobon triangle spiral triangle isosceles triangle

8. Which ancient Greek philosopher studied triangles?

plato socrates pythagoras

9. Complete this right angle equation: a^2 + b^2 =?

c^2 a^2 ab^2

10. What's the name of the type of maths that studies the sides and angles of triangles?

geometry triology trigonometry