How to find the area of a rectangle - ISEE Lower Level Quantitative Reasoning

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Question

What could be the dimensions of a rectangle with an area of $36\ cm^{2}$ ?

Answer

Since area is length times width, the answer must equal 36 when multiplied. The only combination is 9cm by 4cm.

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Question

Ms. Ramon's classroom is feet long and feet wide. What is the area of her classroom?

Answer

To find the area of a rectangle, multiply the length by the width.

$12\times25=300$

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Question

The above diagram shows a rectangular home within a rectangular yard. What is the area of the yard?

Answer

The area of the yard is the area of the smaller rectangle subtracted from that of the larger rectangle. The area of a rectangle is the product of its length and its height, so the larger rectangle has area

$250 \times 200 = 50,000$ square feet,

and the smaller rectangle has area

$60 \times 30 = 1,800$ square feet.

Subtract to get the area of the yard:

square feet.

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Question

Give the area of the rectangular swimming pool shown above.

Answer

The length and the width of the pool are 50 feet and 35 feet; the area of this rectangle is their product, or

$A = 50 \times 35 = 1,750$ square feet.

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Question

Find the area of the following rectangle.

Answer

The equation for the area of a rectangle is $A=l\times w$

In this case, we have:

$A=10\times 8=80$

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Question

Find the area of the following rectangle.

Answer

To find the area of the rectangle we use the equation $A=l \times w$

In this case, we have:

$A= 11\times 7 =77$

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Question

Find the area of the following rectangle.

Answer

In order to find the area of the rectangle we use the equation $A=l \times w$

In this case, we have:

$A=12\times 9=108$

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Question

What is the area of the rectangle?

Answer

The formula to find area is $A=l\times w$ . We are given the length and the width from the problem, so we can plug those values into our equation and solve.

$7\times5=35in^2$

*Area is the number of square units inside a shape, which is why area is always written with square units.

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Question

What is the area of the rectangle?

Answer

The formula to find area is $A=l\times w$ . We are given the length and the width from the problem, so we can plug those values into our equation and solve.

$7\times3=21in^2$

*Area is the number of square units inside a shape, which is why area is always written with square units.

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Question

What is the area of the rectangle?

Answer

The formula to find area is $A=l\times w$ . We are given the length and the width from the problem, so we can plug those values into our equation and solve.

$11\times1=11in^2$

*Area is the number of square units inside a shape, which is why area is always written with square units.

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Question

What is the area of the rectangle?

Answer

The formula to find area is $A=l\times w$ . We are given the length and the width from the problem, so we can plug those values into our equation and solve.

$11\times8=88in^2$

*Area is the number of square units inside a shape, which is why area is always written with square units.

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Question

What is the area of the rectangle?

Answer

The formula to find area is $A=l\times w$ . We are given the length and the width from the problem, so we can plug those values into our equation and solve.

$11\times6=66in^2$

*Area is the number of square units inside a shape, which is why area is always written with square units.

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Question

What is the area of the rectangle?

Answer

The formula to find area is $A=l\times w$ . We are given the length and the width from the problem, so we can plug those values into our equation and solve.

$9\times6=54in^2$

*Area is the number of square units inside a shape, which is why area is always written with square units.

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Question

What is the area of the rectangle?

Answer

The formula to find area is $A=l\times w$ . We are given the length and the width from the problem, so we can plug those values into our equation and solve.

$9\times4=36in^2$

*Area is the number of square units inside a shape, which is why area is always written with square units.

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Question

What is the area of the rectangle?

Answer

The formula to find area is $A=l\times w$ . We are given the length and the width from the problem, so we can plug those values into our equation and solve.

$12\times4=48in^2$

*Area is the number of square units inside a shape, which is why area is always written with square units.

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Question

What is the area of the rectangle?

Answer

The formula to find area is $A=l\times w$ . We are given the length and the width from the problem, so we can plug those values into our equation and solve.

$12\times8=96in^2$

*Area is the number of square units inside a shape, which is why area is always written with square units.

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Question

What is the area of the rectangle?

Answer

The formula to find area is $A=l\times w$ . We are given the length and the width from the problem, so we can plug those values into our equation and solve.

$10\times8=80in^2$

*Area is the number of square units inside a shape, which is why area is always written with square units.

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Question

What is the area of the rectangle?

Answer

The formula to find area is $A=l\times w$ . We are given the length and the width from the problem, so we can plug those values into our equation and solve.

$10\times2=20in^2$

*Area is the number of square units inside a shape, which is why area is always written with square units.

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Question

What is the area of the rectangle?

Answer

The formula to find area is $A=l\times w$ . We are given the length and the width from the problem, so we can plug those values into our equation and solve.

$3\times2=6in^2$

*Area is the number of square units inside a shape, which is why area is always written with square units.

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Question

Emily is digging a garden in her backyard that is meters long and meters wide. What is the area of her garden?

Answer

The formula to find area is $A=l\times w$ . We are given the length and the width from the problem, so we can plug those values into our equation and solve.

$7\times4=28m^2$

*Area is the number of square units inside a shape, which is why area is always written with square units.

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