Classifying Triangles 5th Grade

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 a scalene triangle?

Back

A triangle with all sides of different lengths.

Front

What is an acute triangle?

Back

A triangle where all three angles are less than 90 degrees.

Front

What is a right triangle?

Back

A triangle that has one angle equal to 90 degrees.

Front

What is an obtuse triangle?

Back

A triangle that has one angle greater than 90 degrees.

Front

How do you classify triangles by their sides?

Back

Triangles can be classified as isosceles, equilateral, or scalene.

Front

How do you classify triangles by their angles?

Back

Triangles can be classified as acute, right, or obtuse.

Front

What is the sum of the angles in any triangle?

Back

The sum of the angles in any triangle is always 180 degrees.

Front

If one angle of a triangle is 90 degrees, what type of triangle is it?

Back

It is a right triangle.