Parallelograms and Rectangles

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 rectangle?

Back

A rectangle is a parallelogram with four right angles. Opposite sides are equal in length.

Front

How do you find the area of a rectangle?

Back

Area = length × width.

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 measures of the other angles?

Back

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

Front

What is the formula for the perimeter of a rectangle?

Back

Perimeter = 2(length + width).

Front

How do you determine if a quadrilateral is a parallelogram?

Back

A quadrilateral is a parallelogram if both pairs of opposite sides are parallel.

Front

What is the significance of the diagonals in a rectangle?

Back

The diagonals of a rectangle are equal in length.

Front

If SV = x + 3 and VU = 2x - 1, how do you find x?

Back

Set SV equal to VU: x + 3 = 2x - 1, solve for x.

Front

What is a square?

Back

A square is a special type of rectangle where all four sides are equal in length.