Classifying Triangles

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 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 is an equiangular triangle?

Back

A triangle where all three angles are equal.

Front

How do you classify triangles by sides?

Back

Triangles can be classified as equilateral, isosceles, or scalene based on the lengths of their sides.

Front

How do you classify triangles by angles?

Back

Triangles can be classified as acute, right, or obtuse based on the measures of their angles.

Front

What is the sum of the angles in any triangle?

Back

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