Quadrilaterals

Front

What is a quadrilateral?

Back

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

Front

What are the properties of a parallelogram?

Back

A parallelogram has opposite sides that are equal and parallel, opposite angles that are equal, and the diagonals bisect each other.

Front

What is the formula for the area of a parallelogram?

Back

Area = base × height.

Front

What is a rhombus?

Back

A rhombus is a type of parallelogram where all four sides are of equal length.

Front

Is a rhombus always a parallelogram?

Back

Yes, a rhombus is always a parallelogram.

Front

What is the difference between a rectangle and a rhombus?

Back

A rectangle has four right angles, while a rhombus has all sides equal but not necessarily right angles.

Front

What is a square?

Back

A square is a quadrilateral that is both a rectangle and a rhombus, meaning it has four equal sides and four right angles.

Front

How do you find the missing angle in a parallelogram?

Back

The sum of the angles in a parallelogram is 360 degrees. Use the property that opposite angles are equal.

Front

What is the relationship between the diagonals of a parallelogram?

Back

The diagonals of a parallelogram bisect each other.

Front

If one angle of a parallelogram is 70 degrees, what are the other angles?

Back

The opposite angle is also 70 degrees, and the adjacent angles are 110 degrees each.