3.1 Classifying Triangles

Front

What type of triangle has all three sides of equal length?

Back

Equilateral Triangle

Front

What type of triangle has two sides of equal length?

Back

Isosceles Triangle

Front

What type of triangle has all sides of different lengths?

Back

Scalene Triangle

Front

In a triangle, if one angle measures exactly 90 degrees, what type of triangle is it?

Back

Right Triangle

Front

What is the sum of the interior angles of any triangle?

Back

180 degrees

Front

What type of triangle has all angles less than 90 degrees?

Back

Acute Triangle

Front

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

Back

Obtuse Triangle

Front

What is the definition of an equilateral triangle?

Back

A triangle where all three sides and all three angles are equal.

Front

What is the definition of an isosceles triangle?

Back

A triangle with at least two sides of equal length.

Front

What is the definition of a scalene triangle?

Back

A triangle with all sides of different lengths.