Classifying Triangles

Front

What type of triangle has two congruent sides?

Back

Isosceles Triangle

Tags

CCSS.4.G.A.2

Front

What type of triangle has all angles less than 90°?

Back

Acute Triangle

Tags

CCSS.4.G.A.2

Front

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

Back

Obtuse Triangle

Tags

CCSS.4.G.A.2

Front

What type of triangle has one right angle (90°)?

Back

Right Triangle

Tags

CCSS.4.G.A.2

Front

What is a triangle with all sides and angles equal called?

Back

Equilateral Triangle

Tags

CCSS.4.G.A.2

Front

What is the sum of the interior angles of a triangle?

Back

180°

Tags

CCSS.8.G.A.5

Front

In an isosceles triangle, what can be said about the angles opposite the congruent sides?

Back

They are equal.

Tags

CCSS.HSG.CO.C.11

Front

What is the definition of an equiangular triangle?

Back

A triangle where all angles are equal.

Tags

CCSS.4.G.A.2

Front

How can you identify a right triangle?

Back

It has one angle that measures 90°.

Tags

CCSS.2.G.A.1

Front

What is the definition of an acute triangle?

Back

A triangle where all angles are less than 90°.

Tags

CCSS.4.G.A.2