4.6C Classifying Triangles

Front

What is a triangle?

Back

A triangle is a three-sided polygon.

Front

What are the three types of triangles based on their sides?

Back

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

Front

What are the three types of triangles based on their angles?

Back

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

Front

How can you identify an equilateral triangle?

Back

An equilateral triangle has three equal sides and three equal angles, each measuring 60 degrees.

Front

How can you identify an isosceles triangle?

Back

An isosceles triangle has two equal sides and two equal angles.

Front

How can you identify a scalene triangle?

Back

A scalene triangle has all sides of different lengths and all angles of different measures.

Front

What is an acute triangle?

Back

An acute triangle is a triangle where all three angles are less than 90 degrees.

Front

What is a right triangle?

Back

A right triangle is a triangle that has one angle measuring exactly 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 the sum of the angles in any triangle?

Back

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