Triangle Introduction

Front

What is a triangle?

Back

A triangle is a polygon with three edges and three vertices.

Front

How many sides does a triangle have?

Back

A triangle has three sides.

Front

What are the three types of triangles based on side lengths?

Back

The three types of triangles based on side lengths are scalene, isosceles, and equilateral.

Front

What is a right triangle?

Back

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

Front

What is an isosceles triangle?

Back

An isosceles triangle is a triangle that has at least two sides of equal length.

Front

What is a scalene triangle?

Back

A scalene triangle is a triangle in which all three sides are of different lengths.

Front

What is an equilateral triangle?

Back

An equilateral triangle is a triangle in which all three sides are of equal length.

Front

What is the sum of the interior angles of a triangle?

Back

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

Front

If a triangle has angles measuring 60°, 60°, and 60°, what type of triangle is it?

Back

It is an equilateral triangle.

Front

Can a triangle have two right angles?

Back

No, a triangle cannot have two right angles.