parallelograms

Front

What is a parallelogram?

Back

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

Front

What are the properties of the diagonals in a parallelogram?

Back

In a parallelogram, the diagonals bisect each other.

Front

If ABCD is a parallelogram, what can be said about the opposite angles?

Back

In a parallelogram, opposite angles are equal.

Front

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

Back

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

Front

In a parallelogram, what is true about consecutive angles?

Back

Consecutive angles in a parallelogram are supplementary, meaning they add up to 180 degrees.

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 consecutive angles are 110 degrees each.

Front

What is the formula for the area of a parallelogram?

Back

The area of a parallelogram is calculated using the formula: Area = base × height.

Front

How do you find the length of a diagonal in a parallelogram?

Back

The length of a diagonal can be found using the distance formula or by applying the law of cosines if angles are known.

Front

What is the relationship between the sides of a parallelogram?

Back

In a parallelogram, opposite sides are equal in length.

Front

If the lengths of the sides of a parallelogram are 5 cm and 10 cm, what can be said about the perimeter?

Back

The perimeter of the parallelogram is 2(5 cm + 10 cm) = 30 cm.