Classify Triangles

Front

What is a triangle?

Back

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

Tags

CCSS.2.G.A.1

Front

What are the types of triangles based on 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.

Tags

CCSS.4.G.A.2

Front

What are the types of triangles based on sides?

Back

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

Tags

CCSS.4.G.A.2

Front

How many degrees are in the angles of a triangle?

Back

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

Tags

CCSS.8.G.A.5

Front

What is an acute angle?

Back

An acute angle is an angle that is less than 90 degrees.

Tags

CCSS.4.G.A.1

Front

What is a right angle?

Back

A right angle is an angle that is exactly 90 degrees.

Tags

CCSS.4.G.A.1

Front

What is an obtuse angle?

Back

An obtuse angle is an angle that is greater than 90 degrees but less than 180 degrees.

Tags

CCSS.4.G.A.1

Front

How can you classify a triangle with sides of lengths 5 cm, 5 cm, and 8 cm?

Back

It is an Isosceles Triangle because two sides are equal.

Tags

CCSS.4.G.A.2

Front

What type of triangle has one right angle?

Back

A Right Triangle.

Tags

CCSS.4.G.A.2

Front

If a triangle has one obtuse angle, what type of triangle is it?

Back

It is an Obtuse Triangle.

Tags

CCSS.4.G.A.2