High School Math : Area of a Figure

Study concepts, example questions & explanations for High School Math

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Example Questions

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? 

Possible Answers:

Correct answer:

Explanation:

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.

Possible Answers:

Correct answer:

Explanation:

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 .

Example Question #1 : How To Find The Area Of A Parallelogram In Pre Algebra

What is the area of a parallelogram with a base of  and a height of ?

Possible Answers:

Correct answer:

Explanation:

What is the area of a parallelogram with a base of  and a height of ?

To solve this question you must know the formula for the area of a parallelogram.

The formula is 

So we can plug in the side length for both base and height to yield 

Perform the multiplication to arrive at the answer of .

Example Question #2 : How To Find The Area Of A Parallelogram In Pre Algebra

What is the area of a parallelogram with a base of  and a height of ?

Possible Answers:

Correct answer:

Explanation:

To solve this question you must know the formula for the area of a parallelogram.

The formula is .

So we can plug in the side length for both base and height to yield

Perform the multiplication to arrive at the answer of .

Example Question #3 : How To Find The Area Of A Parallelogram In Pre Algebra

What is the area of a parallelogram with a base of  and a height of ?

Possible Answers:

Correct answer:

Explanation:

To find the are of a parallelogram, use the equation:

Substitute the given values for base and height into the formula:

Example Question #81 : Geometry

Find the area of a parallelogram with a height of 15 inches and a base of 10 inches. 

Possible Answers:

Correct answer:

Explanation:

The formula for the area of a parallelogram is base times height, or .

A = b * h = 10 * 15 = 150

Example Question #31 : Area Of A Figure

What is the area of a parallelogram with a base of  and a height of ?

Possible Answers:

Correct answer:

Explanation:

, where B is the base and H is the height.

Plug in the given values:

 

Example Question #3 : How To Find The Area Of A Parallelogram In Pre Algebra

A parallelogram has a base which is  feet long and another side of  feet. The height of the parallelogram is  feet. What is the area of the parallelogram? 

Possible Answers:

Correct answer:

Explanation:

The formula for the area of a parallelogram is: 

We know that that base of this parallelogram is  feet and the height is  feet. Thus, by this formula we have that: 

 feet squared. 

Example Question #721 : High School Math

What is the area of a triangle with a base of  and a height of ?

Possible Answers:

Correct answer:

Explanation:

The equation for the area of a triangle is

 

We plug the base of  and the height of  into the equation to get

 

We then multiply to get the answer of .

Example Question #1 : How To Find The Area Of A Triangle In Pre Algebra

What is the area of a triangle with a base of  and a height of ?

Possible Answers:

Correct answer:

Explanation:

The formula for the area of a triangle is half of the base times the height: 

Plug in our given information and solve:

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