How to find the area of a rectangle in pre-algebra - Math
Card 1 of 64
If 
and 
, what is the area of the rectangle?
If
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What is the area of a rectangle with width 
and length 
?
What is the area of a rectangle with width
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The area of a rectangle is found by multiplying the length times the width.
The area of a rectangle is found by multiplying the length times the width.
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Find the area of a rectangle with a length of 18 meters and a width of 4 meters.
Find the area of a rectangle with a length of 18 meters and a width of 4 meters.
Tap to reveal answer
The area formula for a rectangle is 
. Plug in the values and you get 72. Since area is squared, make sure your units are squared as well.
The area formula for a rectangle is
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What is the area of a rectangle with a base of 
and a height of 
?
What is the area of a rectangle with a base of
Tap to reveal answer
To find the area of a rectangle we multiply the base by the height. 
Plug the number 
for base and 
for height into the equation to get 
.
We then multiply to find the answer for the area is 
.
To find the area of a rectangle we multiply the base by the height.
Plug the number
We then multiply to find the answer for the area is
← Didn't Know|Knew It →
What is the area of a rectangle with a base of 
and a height of 
?
What is the area of a rectangle with a base of
Tap to reveal answer
To find the area of a rectangle we multiply the base by the height. 
Plug the number 
for base and 
for height into the equation to get 
.
We then multiply to find the answer for the area is 
.
To find the area of a rectangle we multiply the base by the height.
Plug the number
We then multiply to find the answer for the area is
← Didn't Know|Knew It →
What is the area of a rectangle with a base of 
and a height of 
?
What is the area of a rectangle with a base of
Tap to reveal answer
To find the area of a rectangle we multiply the base by the height.
Plug the number 
for the base and 
for the height into the equation to get 
.
We then multiply to find the answer for the area is 
.
To find the area of a rectangle we multiply the base by the height.
Plug the number
We then multiply to find the answer for the area is
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The area of a quadrilateral is 
. If the length of one side is 
, what is the width of the figure?
The area of a quadrilateral is
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The area of a quadrilateral is the length times the width, or 
. The problem gives us the area and the length, so we can solve:
Divide both sides by 
:
The area of a quadrilateral is the length times the width, or
Divide both sides by
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The area of a rectangle is 
. If the length of the rectangle is 
, what is the width?
The area of a rectangle is
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The formula for the area of a rectangle is the length times the width: 
.
Plug in our given information:
Divide both sides by 8.
The formula for the area of a rectangle is the length times the width:
Plug in our given information:
Divide both sides by 8.
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What is the area of a rectangle with a length of 
and a width of 
?
What is the area of a rectangle with a length of
Tap to reveal answer
The area of a rectangle is equal to the product of the length and the width.
We are given both values, so we simply multiply.
The area of a rectangle is equal to the product of the length and the width.
We are given both values, so we simply multiply.
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What is the area of a rectangle with a length of 
and a width of 
?
What is the area of a rectangle with a length of
Tap to reveal answer
The area of a rectangle is the length times the width: 
Plug in our given values and solve:
The area of a rectangle is the length times the width:
Plug in our given values and solve:
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If a rectangle has an area of 
and a length of 
, what is the width?
If a rectangle has an area of
Tap to reveal answer
The formula for the area of a rectangle is 
We can plug in our given information to solve:
Divide both sides by 
.
The formula for the area of a rectangle is
We can plug in our given information to solve:
Divide both sides by
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What is the area of a rectangle with a base of 
and a height of 
?
What is the area of a rectangle with a base of
Tap to reveal answer
To find the area of a rectangle we multiply the base by the height.
Plug in the number 
for the base and 
for the height to get
We then multiply to find the answer for the area is 
.
To find the area of a rectangle we multiply the base by the height.
Plug in the number
We then multiply to find the answer for the area is
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A rectangular field has a width of 
miles and a length of 
miles. What is the area of the field?
A rectangular field has a width of
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We have the length and width of a rectangle. We know that the formula for the area of a rectangle is 
.
Therefore,
square miles.
We have the length and width of a rectangle. We know that the formula for the area of a rectangle is
Therefore,
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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 area of a particular rectangle is
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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.
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
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A square has a perimeter of 
. Find the area of the square.
A square has a perimeter of
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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 
.
The formula for the perimeter of a square is
If the perimeter is
Then, to find the area of the square, square the side length (
Thus, the area of the square is
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A rectangle has a length of 
feet and a width of 
feet. What is the area of the rectangle?
A rectangle has a length of
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Recall that the Area of a rectangle is determined by the product of the length and the width. Thus, our area is 
square feet.
Recall that the Area of a rectangle is determined by the product of the length and the width. Thus, our area is
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If and , what is the area of the rectangle?
If
Tap to reveal answer
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What is the area of a rectangle with width and length ?
What is the area of a rectangle with width
Tap to reveal answer
The area of a rectangle is found by multiplying the length times the width.
The area of a rectangle is found by multiplying the length times the width.
← Didn't Know|Knew It →
Find the area of a rectangle with a length of 18 meters and a width of 4 meters.
Find the area of a rectangle with a length of 18 meters and a width of 4 meters.
Tap to reveal answer
The area formula for a rectangle is . Plug in the values and you get 72. Since area is squared, make sure your units are squared as well.
The area formula for a rectangle is
← Didn't Know|Knew It →
What is the area of a rectangle with a base of and a height of ?
What is the area of a rectangle with a base of
Tap to reveal answer
To find the area of a rectangle we multiply the base by the height.
Plug the number for base and for height into the equation to get .
We then multiply to find the answer for the area is .
To find the area of a rectangle we multiply the base by the height.
Plug the number
We then multiply to find the answer for the area is
← Didn't Know|Knew It →