Geo U5 Parallelograms (24)

Front

What is a parallelogram?

Back

A parallelogram is a four-sided figure (quadrilateral) with opposite sides that are parallel and equal in length.

Front

What are the properties of a parallelogram?

Back

1. Opposite sides are equal in length. 2. Opposite angles are equal. 3. The diagonals bisect each other.

Front

How do you find the area of a parallelogram?

Back

Area = base × height.

Front

What is the relationship between the angles in a parallelogram?

Back

Adjacent angles are supplementary (add up to 180 degrees).

Front

What is a rectangle?

Back

A rectangle is a parallelogram with four right angles.

Front

What is the difference between a rectangle and a square?

Back

A square is a rectangle with all sides equal in length.

Front

What is the formula for the perimeter of a parallelogram?

Back

Perimeter = 2 × (base + height).

Front

What is the significance of the diagonals in a parallelogram?

Back

The diagonals of a parallelogram bisect each other, meaning they cut each other in half.

Front

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

Back

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

Front

How do you determine if a quadrilateral is a parallelogram?

Back

A quadrilateral is a parallelogram if either: 1. Both pairs of opposite sides are parallel, or 2. One pair of opposite sides is both equal and parallel.