Basic Triangle Properties

Front

What is the sum of the angles in a triangle?

Back

180 degrees.

Front

How do you identify the longest side of a triangle?

Back

The longest side is across from the largest angle.

Front

List the angles of a triangle in order from smallest to largest.

Back

The angles can be ordered based on their measures.

Front

What is the relationship between the angles and sides of a triangle?

Back

The largest angle is opposite the longest side.

Front

What is a triangle?

Back

A polygon with three edges and three vertices.

Front

What are the types of triangles based on side lengths?

Back

Equilateral, Isosceles, and Scalene.

Front

What are the types of triangles based on angles?

Back

Acute, Right, and Obtuse.

Front

What is an equilateral triangle?

Back

A triangle with all three sides of equal length.

Front

What is an isosceles triangle?

Back

A triangle with at least two sides of equal length.

Front

What is a scalene triangle?

Back

A triangle with all sides of different lengths.