Classify Triangles

Front

What is a triangle with 3 congruent sides called?

Back

Equilateral Triangle

Front

Classify a triangle with one angle greater than 90 degrees.

Back

Obtuse Triangle

Front

What type of triangle has two sides of equal length?

Back

Isosceles Triangle

Front

Classify a triangle with all angles less than 90 degrees.

Back

Acute Triangle

Front

What is a triangle with no sides of equal length called?

Back

Scalene Triangle

Front

Classify a triangle with one right angle.

Back

Right Triangle

Front

What is the sum of the interior angles of a triangle?

Back

180 degrees

Front

If a triangle has one obtuse angle, what can you say about its other angles?

Back

The other two angles must be acute.

Front

What type of triangle has all sides of different lengths?

Back

Scalene Triangle

Front

Classify a triangle with two equal angles.

Back

Isosceles Triangle