AG - 4.1 Classify Triangles

Front

What is an acute angle?

Back

An angle that measures less than 90 degrees.

Front

What is an obtuse angle?

Back

An angle that measures more than 90 degrees but less than 180 degrees.

Front

What is a right angle?

Back

An angle that measures exactly 90 degrees.

Front

What is a straight angle?

Back

An angle that measures exactly 180 degrees.

Front

What is a scalene triangle?

Back

A triangle with all sides of different lengths.

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

How do you classify triangles by angles?

Back

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

Front

How do you classify triangles by sides?

Back

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

Front

What type of triangle has one right angle?

Back

A right triangle.