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 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

What is an Equilateral Triangle?

Back

An Equilateral Triangle is a triangle where all three sides are equal in length and all three angles are equal, measuring 60 degrees each.

Tags

CCSS.4.G.A.2

Front

What is an Isosceles Triangle?

Back

An Isosceles Triangle is a triangle that has at least two sides that are equal in length and the angles opposite those sides are equal.

Tags

CCSS.4.G.A.2

Front

What is a Scalene Triangle?

Back

A Scalene Triangle is a triangle where all three sides are of different lengths and all three angles are different.

Tags

CCSS.4.G.A.2

Front

What is an Acute Triangle?

Back

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

Tags

CCSS.4.G.A.2

Front

What is a Right Triangle?

Back

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

Tags

CCSS.4.G.A.2

Front

What is an Obtuse Triangle?

Back

An Obtuse Triangle is a triangle that has one angle measuring more than 90 degrees.

Tags

CCSS.4.G.A.2

Front

What is the sum of the angles in a triangle?

Back

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

Tags

CCSS.8.G.A.5

Front

What is a line segment?

Back

A line segment is a part of a line that has two endpoints.

Tags

CCSS.HSG.CO.A.1