Classifying Triangles

Front

What is a Scalene triangle?

Back

A triangle with all sides of different lengths.

Front

What is an Isosceles triangle?

Back

A triangle with at least two sides of equal length.

Front

What is an Equilateral triangle?

Back

A triangle with all three sides of equal length.

Front

What is an Acute triangle?

Back

A triangle where all angles are less than 90 degrees.

Front

What is an Obtuse triangle?

Back

A triangle with one angle greater than 90 degrees.

Front

What is a Right triangle?

Back

A triangle with one angle exactly equal to 90 degrees.

Front

What do the lines on the sides of a triangle indicate?

Back

The lines show sides that are equal.

Front

If the longest side of a triangle is 10, what must the sum of the other two sides be?

Back

The sum must be greater than 10.

Front

How can you classify a triangle with two equal sides?

Back

It is classified as an Isosceles triangle.

Front

How can you classify a triangle with all angles less than 90 degrees?

Back

It is classified as an Acute triangle.