Classifying Triangles by Sides

Front

What is an equilateral triangle?

Back

A triangle with all three sides of equal length.

Front

What is a scalene triangle?

Back

A triangle with all sides of different lengths.

Front

What is an isosceles triangle?

Back

A triangle with two sides of equal length.

Front

How many sides does a triangle have?

Back

3 sides.

Front

What do we call the longest side of a right triangle?

Back

Hypotenuse.

Front

What is the sum of the angles in any triangle?

Back

180 degrees.

Front

Can a triangle have two right angles?

Back

No, a triangle can only have one right angle.

Front

What is a right triangle?

Back

A triangle that has one angle measuring 90 degrees.

Front

What is the difference between an isosceles triangle and a scalene triangle?

Back

An isosceles triangle has two equal sides, while a scalene triangle has all sides different.

Front

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

Back

Obtuse triangle.