Classifying Triangles

Front

What type of triangle has one angle exactly 90° and two equal sides?

Back

Right Isosceles Triangle

Front

What type of triangle has all sides of equal length?

Back

Equilateral Triangle

Front

What type of triangle has all angles less than 90°?

Back

Acute Triangle

Front

What type of triangle has one angle greater than 90°?

Back

Obtuse Triangle

Front

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

Back

180°

Front

What type of triangle has no equal sides?

Back

Scalene Triangle

Front

If a triangle has two equal sides, what type of triangle is it?

Back

Isosceles Triangle

Front

What type of triangle has one right angle and two acute angles?

Back

Right Triangle

Front

If a triangle has all angles less than 90° and two equal sides, what type of triangle is it?

Back

Acute Isosceles Triangle

Front

What type of angle measures exactly 90°?

Back

Right Angle