Classifying Triangles

Front

What is a scalene triangle?

Back

A scalene triangle is a triangle in which all three sides are of different lengths and all three angles are of different measures.

Tags

CCSS.4.G.A.2

Front

What is an obtuse triangle?

Back

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

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 of equal length and the angles opposite those sides are equal.

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

How can you identify a right triangle?

Back

A right triangle can be identified by having one angle that measures exactly 90 degrees.

Tags

CCSS.2.G.A.1

Front

What are the properties of a scalene obtuse triangle?

Back

A scalene obtuse triangle has one obtuse angle and all sides of different lengths.

Tags

CCSS.4.G.A.2

Front

What are the properties of an isosceles acute triangle?

Back

An isosceles acute triangle has two equal sides, two equal angles, and all angles are less than 90 degrees.

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

Can a triangle be both isosceles and obtuse?

Back

Yes, a triangle can be both isosceles and obtuse if it has two equal sides and one angle greater than 90 degrees.

Tags

CCSS.4.G.A.2

Front

What is the difference between acute and obtuse triangles?

Back

Acute triangles have all angles less than 90 degrees, while obtuse triangles have one angle greater than 90 degrees.

Tags

CCSS.4.G.A.2