3.1 Classifying Triangles

Front

What type of triangle has all angles less than 90° and two equal sides?

Back

Acute Isosceles

Tags

CCSS.4.G.A.2

Front

What kind of triangle has one angle equal to 90°?

Back

Right triangle

Tags

CCSS.4.G.A.2

Front

What is an obtuse triangle?

Back

A triangle with one angle greater than 90°.

Tags

CCSS.4.G.A.2

Front

In an acute triangle, what can you say about the angles?

Back

All three angles are less than 90 degrees.

Tags

CCSS.4.G.A.2

Front

What type of triangle has all three sides of equal length?

Back

Equilateral triangle.

Tags

CCSS.4.G.A.2

Front

What is a scalene triangle?

Back

A triangle with all sides of different lengths.

Tags

CCSS.4.G.A.2

Front

How can you identify an isosceles triangle?

Back

It has at least two sides of equal length.

Tags

CCSS.2.G.A.1

Front

What is the sum of the angles in any triangle?

Back

180 degrees.

Tags

CCSS.8.G.A.5

Front

If a triangle has one angle greater than 90°, what type of triangle is it?

Back

Obtuse triangle.

Tags

CCSS.4.G.A.2

Front

What type of triangle has one angle equal to 90° and two sides of different lengths?

Back

Right Scalene triangle.

Tags

CCSS.4.G.A.2