Types of Triangles and Parallelograms

Front

What is an equilateral triangle?

Back

A triangle with all three sides of equal length.

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 a right triangle?

Back

A triangle that has one angle measuring 90 degrees.

Front

What is an obtuse triangle?

Back

A triangle that has one angle greater than 90 degrees.

Front

What is an acute triangle?

Back

A triangle where all angles are less than 90 degrees.

Front

What is a parallelogram?

Back

A four-sided shape (quadrilateral) with opposite sides that are equal and parallel.

Front

What are the properties of a rectangle?

Back

A parallelogram with four right angles.

Front

What are the properties of a rhombus?

Back

A parallelogram with all four sides of equal length.

Front

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

Back

180 degrees.