Triangles

Front

What is an equilateral triangle?

Back

A triangle with all three sides equal in length.

Front

What is an isosceles triangle?

Back

A triangle with two equal sides.

Front

What is a scalene triangle?

Back

A triangle that has three unequal sides.

Front

Classify a triangle with one angle greater than 90 degrees.

Back

Obtuse triangle.

Front

Classify a triangle with one right angle.

Back

Right triangle.

Front

Classify a triangle with all angles less than 90 degrees.

Back

Acute triangle.

Front

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

Back

180 degrees.

Front

What do you call a triangle with two equal angles?

Back

Isosceles triangle.

Front

What is the longest side of a right triangle called?

Back

Hypotenuse.

Front

What is the Pythagorean theorem?

Back

In a right triangle, a² + b² = c², where c is the hypotenuse.