Classifying Triangles

Front

What is a Right Isosceles triangle?

Back

A triangle with one angle exactly 90° and two equal sides.

Front

What is an Obtuse triangle?

Back

A triangle that has one angle greater than 90°.

Front

What is an Equilateral triangle?

Back

A triangle where all three sides and all three angles are equal.

Front

What is a Scalene triangle?

Back

A triangle with all sides of different lengths and no equal angles.

Front

What is an Acute triangle?

Back

A triangle that has all angles less than 90°.

Front

If a triangle has one angle exactly 90° and two equal sides, what type of triangle is it?

Back

Right Isosceles.

Front

If a triangle has one angle greater than 90° and no equal sides, what type of triangle is it?

Back

Obtuse Scalene.

Front

What type of angle is less than 90°?

Back

Acute.

Front

What type of angle is exactly 90°?

Back

Right.

Front

What type of angle is greater than 90°?

Back

Obtuse.