Unit 2 Lesson 3 Test Review (Triangles)

Front

What is an Acute Scalene Triangle?

Back

A triangle with all angles less than 90 degrees and all sides of different lengths.

Front

What is the classification of a triangle with two equal sides?

Back

Isosceles Triangle.

Front

What is a Scalene Triangle?

Back

A triangle with all sides of different lengths.

Front

What is the Triangle Inequality Theorem?

Back

The sum of the lengths of any two sides of a triangle must be greater than the length of the third side.

Front

Can a triangle have sides of lengths 3, 4, and 9?

Back

No, because 3 + 4 is not greater than 9.

Front

What does it mean for a triangle to be unique?

Back

A unique triangle can be formed with the given side lengths.

Front

What is an Equilateral Triangle?

Back

A triangle with all three sides of equal length and all angles equal to 60 degrees.

Front

What is an Obtuse Triangle?

Back

A triangle with one angle greater than 90 degrees.

Front

What is a Right Triangle?

Back

A triangle with one angle equal to 90 degrees.

Front

What is the classification of a triangle with all angles less than 90 degrees?

Back

Acute Triangle.