Classify Triangles

Front

What is a scalene triangle?

Back

A scalene triangle is a triangle with all sides of different lengths.

Front

What is an isosceles triangle?

Back

An isosceles triangle is a triangle with at least two sides of equal length.

Front

What is an equilateral triangle?

Back

An equilateral triangle is a triangle with all three sides of equal length.

Front

How do you classify a triangle with side lengths of 15 cm, 11 cm, and 9 cm?

Back

Scalene triangle.

Front

How do you classify a triangle with side lengths of 6 inches, 6 inches, and 4 inches?

Back

Isosceles triangle.

Front

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

Back

The sum of the interior angles of 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.

Front

If a triangle has angles measuring 60°, 60°, and 60°, how is it classified?

Back

Equilateral triangle.

Front

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

Back

Obtuse triangle.

Front

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

Back

Acute triangle.