Classifying Triangles Quiz

How do we name a triangle using its vertices?

• By using the midpoint of each side

• By placing a triangle symbol in front and naming it by its vertices

• By listing the vertices in alphabetical order

• By using the length of its sides

What type of triangle has three acute angles?

• Right triangle

• Obtuse triangle

• Equilateral triangle

• Acute triangle

Which triangle has one obtuse angle?

• Equilateral triangle

• Right triangle

• Acute triangle

• Obtuse triangle

What is a scalene triangle?

• A triangle with no congruent sides

• A triangle with all sides congruent

• A triangle with all angles congruent

• A triangle with at least two congruent sides

Which triangle has at least two congruent sides?

• Scalene triangle

• Right triangle

• Equilateral triangle

• Isosceles triangle

In a right triangle, what is the hypotenuse?

• The side adjacent to the right angle

• The shortest side

• The longest side

• The side opposite the right angle

What is the base of an isosceles triangle?

• The side that is congruent

• The longest side

• The side opposite the right angle

• The side that is not congruent

Can an isosceles triangle be a right triangle?

• Only if it is equilateral

• Never

• Sometimes

• Always

What is the relationship between equilateral and equiangular triangles?

• Equilateral triangles are sometimes equiangular

• Equilateral triangles are equiangular only if they are right triangles

• Equilateral triangles are never equiangular

• Equilateral triangles are always equiangular

If M is the midpoint of JL, what can be said about triangle JKM?

• It is scalene

• It is isosceles

• It is right

• It is equilateral