Triangle Classification and Properties

Front

What does 'Quad' mean?

Back

Four

Front

This triangle is ...

Back

Equilateral

Front

What do the angles in an equilateral triangle measure?

Back

60, 60, 60

Front

Name this triangle: It has one angle that measures 90 degrees.

Back

Right triangle

Front

Find the measure of angle b if b=51 or b=129.

Back

b=129

Front

What is a scalene triangle?

Back

A triangle with all sides of different lengths.

Front

What is an acute triangle?

Back

A triangle where all angles are less than 90 degrees.

Front

What is an obtuse triangle?

Back

A triangle with one angle greater than 90 degrees.

Front

What is the sum of the angles in any triangle?

Back

180 degrees.

Front

What is the definition of an isosceles triangle?

Back

A triangle with at least two sides of equal length.