Classifying Shapes and Hierarchy of quadrilaterals

Front

What is a quadrilateral?

Back

A quadrilateral is a polygon with four sides, four vertices, and four angles.

Front

Name a shape that is NOT a quadrilateral.

Back

Examples include a triangle, circle, or pentagon.

Front

What is an isosceles triangle?

Back

An isosceles triangle is a triangle that has two sides of equal length.

Front

What type of triangle has all sides of equal length?

Back

An equilateral triangle.

Front

What is an acute triangle?

Back

An acute triangle is a triangle where all three angles are less than 90 degrees.

Front

What is a trapezoid?

Back

A trapezoid is a quadrilateral with at least one pair of parallel sides.

Front

How many sides does a square have?

Back

A square has four equal sides.

Front

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

Back

The sum of the interior angles of a quadrilateral is 360 degrees.

Front

What is a scalene triangle?

Back

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

Front

What is a right triangle?

Back

A right triangle is a triangle that has one angle equal to 90 degrees.