Classify Triangles

Front

What is a triangle?

Back

A triangle is a three-sided polygon.

Tags

CCSS.2.G.A.1

Front

What are the types of triangles based on side lengths?

Back

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

Tags

CCSS.4.G.A.2

Front

What is an equilateral triangle?

Back

An equilateral triangle has all three sides of equal length.

Tags

CCSS.4.G.A.2

Front

What is an isosceles triangle?

Back

An isosceles triangle has two sides that are equal in length.

Tags

CCSS.4.G.A.2

Front

What is a scalene triangle?

Back

A scalene triangle has all sides of different lengths.

Tags

CCSS.4.G.A.2

Front

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

Back

It is an isosceles triangle.

Tags

CCSS.4.G.A.2

Front

How can you classify a triangle with sides of 7 cm, 8 cm, and 9 cm?

Back

It is a scalene triangle.

Tags

CCSS.4.G.A.2

Front

What is the sum of the angles in any triangle?

Back

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

Tags

CCSS.8.G.A.5

Front

If one angle of a triangle is 90 degrees, what type of triangle is it?

Back

It is a right triangle.

Tags

CCSS.4.G.A.2

Front

What is a right triangle?

Back

A right triangle has one angle that measures 90 degrees.

Tags

CCSS.4.G.A.2