Classifying Angles, Triangles, and Quadrilaterals

Front

What is a quadrilateral?

Back

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

Front

Which quadrilateral cannot be called a parallelogram?

Back

Trapezoid.

Front

What are the types of triangles based on side lengths?

Back

Equilateral, Isosceles, and Scalene.

Front

What is an equilateral triangle?

Back

A triangle with all three sides of equal length.

Front

What is a scalene triangle?

Back

A triangle with all sides of different lengths.

Front

What is an isosceles triangle?

Back

A triangle with at least two sides of equal length.

Front

What is a right triangle?

Back

A triangle that has one angle measuring 90 degrees.

Front

What is a rectangle?

Back

A quadrilateral with opposite sides equal and all angles measuring 90 degrees.

Front

Can a rectangle be a trapezoid?

Back

False.

Front

What is a square?

Back

A quadrilateral with all sides equal and all angles measuring 90 degrees.