Types of Triangles

Front

What is an Equilateral Triangle?

Back

A triangle with all three sides of equal length and all three angles measuring 60°.

Tags

CCSS.4.G.A.2

Front

What is an Isosceles Triangle?

Back

A triangle with at least two sides of equal length and the angles opposite those sides are equal.

Tags

CCSS.4.G.A.2

Front

What is a Scalene Triangle?

Back

A triangle with all sides of different lengths and all angles of different measures.

Tags

CCSS.4.G.A.2

Front

What is a Right Triangle?

Back

A triangle that has one angle measuring 90°.

Tags

CCSS.4.G.A.2

Front

What is an Obtuse Triangle?

Back

A triangle that has one angle measuring more than 90°.

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°.

Tags

CCSS.8.G.A.5

Front

How can you identify an Isosceles Triangle?

Back

An Isosceles Triangle can be identified by having two equal sides and two equal angles.

Tags

CCSS.2.G.A.1

Front

What is the defining characteristic of an Equilateral Triangle?

Back

All three sides and angles are equal.

Tags

CCSS.4.G.A.2

Front

What type of triangle has one angle greater than 90°?

Back

An Obtuse Triangle.

Tags

CCSS.4.G.A.2

Front

What type of triangle has one right angle?

Back

A Right Triangle.

Tags

CCSS.4.G.A.2