Lines, Angles and Triangles

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.

Front

What is an Obtuse Triangle?

Back

A triangle that has one angle greater than 90 degrees.

Front

What is an Equilateral Triangle?

Back

A triangle with all three sides of equal length.

Front

What is an Acute Triangle?

Back

A triangle that has all angles less than 90 degrees.

Front

What is a Right Triangle?

Back

A triangle that has one angle equal to 90 degrees.

Front

What is a Straight Angle?

Back

An angle that measures exactly 180 degrees.

Front

What is an Obtuse Angle?

Back

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

Front

What is an Acute Angle?

Back

An angle that measures less than 90 degrees.

Front

What are Parallel Lines?

Back

Lines that never intersect and are always the same distance apart.