Identifying Triangles

Front

What is a triangle?

Back

A triangle is a three-sided polygon.

Front

What are the types of triangles based on sides?

Back

1. Equilateral: All sides are equal. 2. Isosceles: Two sides are equal. 3. Scalene: All sides are different.

Front

What are the types of triangles based on angles?

Back

1. Acute: All angles are less than 90 degrees. 2. Right: One angle is exactly 90 degrees. 3. Obtuse: One angle is greater than 90 degrees.

Front

What is an Isosceles Triangle?

Back

An Isosceles Triangle has at least two sides that are equal in length.

Front

How many equal sides does an Equilateral Triangle have?

Back

An Equilateral Triangle has three equal sides.

Front

What is a Right Triangle?

Back

A Right Triangle has one angle that is exactly 90 degrees.

Front

Can a triangle be both right and equilateral?

Back

No, a triangle cannot be both right and equilateral.

Front

What is the sum of the angles in any triangle?

Back

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

Front

What is a Scalene Triangle?

Back

A Scalene Triangle has all sides of different lengths.

Front

What is an Acute Triangle?

Back

An Acute Triangle has all angles less than 90 degrees.