Classifying Triangles

Front

What is a scalene triangle?

Back

A scalene triangle is a triangle with all sides of different lengths and all angles of different measures.

Front

What is an isosceles triangle?

Back

An isosceles triangle is a triangle with at least two sides of equal length and at least two angles of equal measure.

Front

What is an equilateral triangle?

Back

An equilateral triangle is a triangle where all three sides are of equal length and all three angles are equal, each measuring 60 degrees.

Front

What is a right triangle?

Back

A right triangle is a triangle that has one angle measuring exactly 90 degrees.

Front

What is an acute triangle?

Back

An acute triangle is a triangle where all three angles are less than 90 degrees.

Front

What is an obtuse triangle?

Back

An obtuse triangle is a triangle that has one angle measuring more than 90 degrees.

Front

How many degrees are in a triangle?

Back

A triangle has a total of 180 degrees.

Front

If a triangle has angles measuring 30°, 60°, and 90°, what type of triangle is it?

Back

It is a right triangle.

Front

If a triangle has angles measuring 45°, 45°, and 90°, what type of triangle is it?

Back

It is a right triangle.

Front

If a triangle has angles measuring 70°, 60°, and 50°, what type of triangle is it?

Back

It is an acute triangle.