Classifying Quadrilaterals and Triangles

Front

What is a quadrilateral?

Back

A quadrilateral is a polygon with four sides.

Front

What are the types of quadrilaterals?

Back

The types of quadrilaterals include squares, rectangles, rhombuses, parallelograms, and trapezoids.

Front

What is a triangle?

Back

A triangle is a polygon with three sides.

Front

What are the types of triangles based on side lengths?

Back

The types of triangles based on side lengths are equilateral, isosceles, and scalene.

Front

What is an equilateral triangle?

Back

An equilateral triangle has all three sides of equal length.

Front

What is an isosceles triangle?

Back

An isosceles triangle has two sides of equal length.

Front

What is a scalene triangle?

Back

A scalene triangle has all sides of different lengths.

Front

What are the types of triangles based on angles?

Back

The types of triangles based on angles are acute, right, and obtuse.

Front

What is an acute triangle?

Back

An acute triangle has all angles less than 90 degrees.

Front

What is a right triangle?

Back

A right triangle has one angle that is exactly 90 degrees.