Classify Triangles by Sides

Front

What is an equilateral triangle?

Back

A triangle with all three sides of equal length.

Front

What is an isosceles triangle?

Back

A triangle with at least two sides of equal length.

Front

What is a scalene triangle?

Back

A triangle with all sides of different lengths.

Front

How can you classify a triangle with three equal sides?

Back

It is called an equilateral triangle.

Front

True or False: A triangle can be classified as an isosceles triangle if there are two equal sides.

Back

True.

Front

True or False: If all sides of a triangle are different lengths, it is an isosceles triangle.

Back

False.

Front

What do you call a triangle with one angle greater than 90 degrees?

Back

An obtuse triangle.

Front

What is the sum of the angles in any triangle?

Back

180 degrees.

Front

What is a right triangle?

Back

A triangle that has one angle equal to 90 degrees.

Front

What is the term for the longest side of a right triangle?

Back

Hypotenuse.