Types of Triangles

Front

What is a right triangle?

Back

A right triangle is a triangle that has one angle measuring 90 degrees.

Front

What is an obtuse triangle?

Back

An obtuse triangle is a triangle that has one angle measuring more than 90 degrees.

Front

What is an acute triangle?

Back

An acute triangle is a triangle that has all angles measuring less than 90 degrees.

Front

What type of triangle has two equal sides?

Back

An isosceles triangle has two equal sides.

Front

What type of triangle has all three sides equal?

Back

An equilateral triangle has all three sides equal.

Front

What is a scalene triangle?

Back

A scalene triangle is a triangle that has all sides of different lengths.

Front

How many degrees are in the angles of a triangle?

Back

The sum of the angles in a triangle is always 180 degrees.

Front

What type of triangle has one right angle?

Back

A right-angled triangle has one right angle.

Front

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

Back

An obtuse triangle has one obtuse angle and two acute angles.

Front

Can a triangle be both isosceles and obtuse?

Back

Yes, a triangle can be both isosceles and obtuse.