# ISEE Middle Level Math : Quadrilaterals

## Example Questions

### Example Question #1 : How To Find The Area Of A Rectangle

Which of the following is equal to the area of a rectangle with length 250 centimeters and width 140 centimeters?

Explanation:

Divide each dimension by 100 to convert centimeters to meters:

Multiply length by width:

square meters

### Example Question #8 : How To Find The Area Of A Rectangle

A hectare is a unit of area equal to 10,000 square meters.

A rectangular plot of land measures 1,400 meters by 800 meters. Give the area of this plot in hectares.

Explanation:

Multiply length times width to get the area in square meters:

square meters

Divide by 10,000 to convert to hectares:

hectares

### Example Question #9 : How To Find The Area Of A Rectangle

Which of the following is equal to the area of a rectangle with length 27 inches and width 15 inches?

Explanation:

Divide each dimension by 12 to convert from inches to feet:

Multiply length by width:

square feet

### Example Question #31 : Rectangles

Which of the following is equal to the area of a rectangle with length  feet and width  feet?

Explanation:

Multiply each dimension by 12 to convert from feet to inches:

Now multiply this length and width to get the area:

### Example Question #61 : Quadrilaterals

A rectangular prism has length 24 inches, width 18 inches, and height 15 inches. Give its surface area in square feet.

Explanation:

Divide each dimension in inches by 12 to convert from inches to feet:

feet

feet

feet

Now, substitute in the surface area formula:

### Example Question #61 : Quadrilaterals

The area of a rectangle with a length of and a width of is . Find .

Explanation:

The area of a rectangle is the product of length and width:

### Example Question #21 : How To Find The Area Of A Rectangle

Give the area of a rectangle with a length of and a width of .

Explanation:

We know that:

where:

So we can write:

### Example Question #22 : How To Find The Area Of A Rectangle

A rectangular table has a length of  and a width of . Give the area of the table.

Explanation:

We know that:

where:

So we can write:

### Example Question #23 : How To Find The Area Of A Rectangle

The length of a rectangle is three times longer than its width. If the width of the rectangle is  meters, give the area of the rectangle.

Explanation:

The length of the rectangle would be:

We know that:

where:

So we can write:

### Example Question #24 : How To Find The Area Of A Rectangle

Which of the following is the area of a rectangle with a width of 4 feet and a length that is twice the width?