Classifying Triangles

Front

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

Back

Acute, Right, Obtuse.

Tags

CCSS.4.G.A.2

Front

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

Back

Equilateral, Isosceles, Scalene.

Tags

CCSS.4.G.A.2

Front

Define an acute triangle.

Back

A triangle where all three angles are less than 90 degrees.

Tags

CCSS.4.G.A.2

Front

Define a right triangle.

Back

A triangle that has one angle equal to 90 degrees.

Tags

CCSS.4.G.A.2

Front

Define an obtuse triangle.

Back

A triangle where one angle is greater than 90 degrees.

Tags

CCSS.4.G.A.2

Front

What is an equilateral triangle?

Back

A triangle where all three sides are of equal length and all three angles are equal (60 degrees each).

Tags

CCSS.4.G.A.2

Front

What is an isosceles triangle?

Back

A triangle with at least two sides of equal length and at least two angles of equal measure.

Tags

CCSS.4.G.A.2

Front

What is a scalene triangle?

Back

A triangle where all three sides are of different lengths and all three angles are of different measures.

Tags

CCSS.4.G.A.2

Front

What does it mean for a triangle to be equiangular?

Back

A triangle where all three angles are equal in measure.

Tags

CCSS.4.G.A.2

Front

How can you classify a triangle that is both equilateral and equiangular?

Back

It is classified as an equilateral triangle.

Tags

CCSS.4.G.A.2