Classify Triangles

Front

What is a triangle with no sides of the same length called?

Back

Scalene triangle

Front

What type of triangle has one angle that measures exactly 90 degrees?

Back

Right triangle

Front

What type of triangle has all angles measuring less than 90 degrees?

Back

Acute triangle

Front

What type of triangle has one angle that measures more than 90 degrees?

Back

Obtuse triangle

Front

What is a triangle with all three sides of equal length called?

Back

Equilateral triangle

Front

What is a triangle with two sides of equal length called?

Back

Isosceles triangle

Front

How many sides does a triangle have?

Back

Three sides

Front

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

Back

180 degrees

Front

If a triangle has one angle that is 90 degrees, what type of triangle is it?

Back

Right triangle

Front

Can a triangle have two obtuse angles?

Back

No, a triangle cannot have two obtuse angles.