Classifying Triangles

Front

What is a triangle?

Back

A triangle is a polygon with three edges and three vertices.

Front

What are the types of triangles based on sides?

Back

1. Equilateral: All sides are equal. 2. Isosceles: Two sides are equal. 3. Scalene: All sides are different.

Front

What are the types of triangles based on angles?

Back

1. Acute: All angles are less than 90 degrees. 2. Right: One angle is exactly 90 degrees. 3. Obtuse: One angle is greater than 90 degrees.

Front

What does the term 'equilateral' mean?

Back

All sides of the triangle are equal in length.

Front

What does the term 'isosceles' mean?

Back

A triangle with at least two sides that are equal in length.

Front

What does the term 'scalene' mean?

Back

A triangle where all sides are of different lengths.

Front

Can a triangle have more than one right angle?

Back

No, a triangle can only have one right angle.

Front

What is a right triangle?

Back

A triangle that has one angle measuring 90 degrees.

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 that has one angle greater than 90 degrees.