classifying triangles by angle and side

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 an obtuse triangle?

Back

An obtuse triangle is a triangle that has one angle greater than 90 degrees.

Tags

CCSS.4.G.A.2

Front

What is an equiangular triangle?

Back

An equiangular triangle is a triangle where all three angles are equal, and each angle measures 60 degrees.

Tags

CCSS.4.G.A.2

Front

What is a right triangle?

Back

A right triangle is a triangle that has one angle equal to 90 degrees.

Front

What is an isosceles triangle?

Back

An isosceles triangle is a triangle that has at least two sides of equal length.

Tags

CCSS.4.G.A.2

Front

What is an equilateral triangle?

Back

An equilateral triangle is a triangle where all three sides are of equal length and all three angles are equal to 60 degrees.

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.

Tags

CCSS.4.G.A.2

Front

How do you classify a triangle by angles?

Back

Triangles can be classified by angles as acute, obtuse, right, or equiangular.

Tags

CCSS.4.G.A.2

Front

How do you classify a triangle by sides?

Back

Triangles can be classified by sides as isosceles, equilateral, or scalene.

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