Classifying Triangles by Their Side Properties

What defines an equilateral triangle?

• All sides are of different lengths

• Two sides are of the same length

• All sides are of the same length

• No sides are of the same length

How many sides of equal length does an equilateral triangle have?

• None

• Three

• Two

• One

Which triangle has two sides of the same length and one different?

• Equilateral

• Isosceles

• Scalene

• None of the above

In an isosceles triangle, how many sides are of unequal length?

• Two

• None

• One

• Three

What is unique about the sides of a scalene triangle?

• Two sides are the same length

• All sides are the same length

• Each side has a different length

• All sides are infinitely long

Which triangle classification does not have any sides of equal length?

• All of the above

• Equilateral

• Isosceles

• Scalene