Classifying Triangles

Front

What is a triangle with all three sides of equal length called?

Back

Equilateral Triangle

Front

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

Back

Obtuse Triangle

Front

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

Back

180 degrees

Front

What type of triangle has two sides of equal length?

Back

Isosceles Triangle

Front

What is a triangle with all angles less than 90 degrees called?

Back

Acute Triangle

Front

What are angles that add up to 90 degrees called?

Back

Complementary Angles

Front

What is the definition of vertical angles?

Back

Angles that are opposite each other when two lines intersect.

Front

If a triangle has one right angle, what type of triangle is it?

Back

Right Triangle

Front

What is the term for the longest side of a right triangle?

Back

Hypotenuse

Front

What type of triangle has no equal sides?

Back

Scalene Triangle