All High School Math Resources
Example Questions
Example Question #11 : How To Find The Area Of A Rectangle In Pre Algebra
A rectangular field has a width of miles and a length of miles. What is the area of the field?
square miles
square miles
square miles
square miles
square miles
square miles
We have the length and width of a rectangle. We know that the formula for the area of a rectangle is .
Therefore,
square miles.
Example Question #12 : How To Find The Area Of A Rectangle In Pre Algebra
A rectangle has a length of feet and a width of feet. What is the area of the rectangle?
square feet
square feet
square feet
square feet
square feet
square feet
Recall that the Area of a rectangle is determined by the product of the length and the width. Thus, our area is square feet.
Example Question #11 : How To Find The Area Of A Rectangle In Pre Algebra
If and , what is the area of the rectangle?
Example Question #12 : How To Find The Area Of A Rectangle In Pre Algebra
What is the area of a rectangle with width and length ?
The area of a rectangle is found by multiplying the length times the width.
Example Question #15 : How To Find The Area Of A Rectangle In Pre Algebra
The area of a particular rectangle is . If the length of the rectangle is twice the width, what is the width of the rectangle?
The forumla for the area of a rectangle is Length X Width. Here, that would be Width X 2Width (length). Solving for width, you get
. Dividing by 2 and taking the square root of each side gives us
. Thus, the width of the rectangle is units.
Example Question #16 : How To Find The Area Of A Rectangle In Pre Algebra
A square has a perimeter of . Find the area of the square.
The formula for the perimeter of a square is ( = side length of the square).
If the perimeter is , then the side length is .
Then, to find the area of the square, square the side length ()
Thus, the area of the square is .