Classifying Triangles

Front

What is an obtuse triangle?

Back

A triangle with one angle measuring more than 90 degrees.

Front

What is an isosceles triangle?

Back

A triangle with at least two sides of equal length.

Front

What is a scalene triangle?

Back

A triangle with all sides of different lengths.

Front

What is an acute triangle?

Back

A triangle with all angles measuring less than 90 degrees.

Front

What is a right triangle?

Back

A triangle with one angle measuring exactly 90 degrees.

Front

How do you classify a triangle by its sides?

Back

Triangles can be classified as equilateral, isosceles, or scalene based on the lengths of their sides.

Front

How do you classify a triangle by its angles?

Back

Triangles can be classified as acute, right, or obtuse based on the measures of their angles.

Front

What is an equilateral triangle?

Back

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

Front

What is the sum of the angles in any triangle?

Back

The sum of the interior angles in a triangle is always 180 degrees.

Front

What is the Pythagorean theorem?

Back

In a right triangle, the square of the length of the hypotenuse is equal to the sum of the squares of the lengths of the other two sides.