Classifying Triangles

Front

What is a Scalene triangle?

Back

A Scalene triangle is a triangle with all sides of different lengths.

Front

What is an Isosceles triangle?

Back

An Isosceles triangle is a triangle with at least two sides of equal length.

Front

What is an Equilateral triangle?

Back

An Equilateral triangle is a triangle with all three sides of equal length.

Front

What is an Obtuse triangle?

Back

An Obtuse triangle is a triangle that has one angle greater than 90 degrees.

Front

What is an Acute triangle?

Back

An Acute triangle is a triangle that has all angles less than 90 degrees.

Front

What is a Right triangle?

Back

A Right triangle is a triangle that has one angle equal to 90 degrees.

Front

How do you identify a triangle by its sides?

Back

You can identify a triangle by its sides as Scalene, Isosceles, or Equilateral based on the lengths of its sides.

Front

How do you identify a triangle by its angles?

Back

You can identify a triangle by its angles as Acute, Obtuse, or Right based on the measures of its angles.

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

What type of triangle has one obtuse angle and two acute angles?

Back

An Obtuse triangle has one obtuse angle and two acute angles.