Types of Triangles Flashcard

Front

What is an Obtuse Scalene triangle?

Back

A triangle with one obtuse angle (greater than 90 degrees) and all sides of different lengths.

Front

What is a Right triangle?

Back

A triangle that has exactly one right angle (90 degrees).

Front

What defines an Acute triangle?

Back

A triangle where all three angles are acute (less than 90 degrees).

Front

What is an Equilateral triangle?

Back

A triangle with all three sides of equal length and all angles measuring 60 degrees.

Front

How many right angles does a Right triangle have?

Back

1 right angle.

Front

How many acute angles does an Acute triangle have?

Back

3 acute angles.

Front

What is a Scalene triangle?

Back

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

Front

What is an Isosceles triangle?

Back

A triangle with at least two sides of equal length and at least two equal angles.

Front

What is the sum of the angles in any triangle?

Back

180 degrees.

Front

What type of triangle has 2 equal sides?

Back

An Isosceles triangle.