Classify Triangles

Front

What is a triangle with three angles that each measure less than 90 degrees?

Back

Acute triangle

Front

What do you call a triangle that has three sides of equal length?

Back

Equilateral triangle

Front

What type of triangle has three acute angles?

Back

Acute triangle

Front

What is a triangle that has one angle greater than 90 degrees called?

Back

Obtuse triangle

Front

What do you call a triangle that has one right angle (90 degrees)?

Back

Right triangle

Front

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

Back

Isosceles triangle

Front

What type of triangle has all sides of different lengths?

Back

Scalene triangle

Front

What is the sum of the angles in any triangle?

Back

180 degrees

Front

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

Back

Right triangle

Front

Can a triangle have more than one obtuse angle?

Back

No, a triangle can only have one obtuse angle.