Basic Geometry : Plane Geometry

Study concepts, example questions & explanations for Basic Geometry

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Example Questions

Example Question #451 : Plane Geometry

If the area of a rectangle is , and the length of the rectangle is , what is the perimeter of the rectangle?

Possible Answers:

Correct answer:

Explanation:

Recall how to find the area of a rectangle:

Now, we can use this equation to find the width of the rectangle.

Plug in the information from the question to find the width of the rectangle.

Now, recall how to find the perimeter of a rectangle.

Plug in the length and width values to find the perimeter.

Example Question #41 : Quadrilaterals

If the area of a rectangle is , and the length of the rectangle is , what is the perimeter of the rectangle?

Possible Answers:

Correct answer:

Explanation:

Recall how to find the area of a rectangle:

Now, we can use this equation to find the width of the rectangle.

Plug in the information from the question to find the width of the rectangle.

Now, recall how to find the perimeter of a rectangle.

Plug in the length and width values to find the perimeter.

Example Question #42 : Quadrilaterals

If the area of a rectangle is , and the length of the rectangle is , what is the perimeter of the rectangle?

Possible Answers:

Correct answer:

Explanation:

Recall how to find the area of a rectangle:

Now, we can use this equation to find the width of the rectangle.

Plug in the information from the question to find the width of the rectangle.

Now, recall how to find the perimeter of a rectangle.

Plug in the length and width values to find the perimeter.

Example Question #451 : Basic Geometry

If the area of this rectangle is , what is the perimeter?

1

Possible Answers:

Correct answer:

Explanation:

In order to find the perimeter of a rectangle, you will need to know both length and width. The question, however, only provides us with the width.

Recall how to find the area of the rectangle:

Now, using the area and the given width, we can then find the length.

Plug in the given values.

Now that we have both length and width, find the perimeter of the rectangle.

Example Question #452 : Basic Geometry

If the area of the rectangle is , what is the perimeter?

2

Possible Answers:

Correct answer:

Explanation:

In order to find the perimeter of a rectangle, you will need to know both length and width. The question, however, only provides us with the width.

Recall how to find the area of the rectangle:

Now, using the area and the given width, we can then find the length.

Plug in the given values.

Now that we have both length and width, find the perimeter of the rectangle.

Example Question #453 : Basic Geometry

If the area of the rectangle is , what is the perimeter?

3

Possible Answers:

Correct answer:

Explanation:

In order to find the perimeter of a rectangle, you will need to know both length and width. The question, however, only provides us with the width.

Recall how to find the area of the rectangle:

Now, using the area and the given width, we can then find the length.

Plug in the given values.

Now that we have both length and width, find the perimeter of the rectangle.

Example Question #454 : Basic Geometry

If the area of the rectangle is , what is the perimeter?

4

Possible Answers:

Correct answer:

Explanation:

In order to find the perimeter of a rectangle, you will need to know both length and width. The question, however, only provides us with the width.

Recall how to find the area of the rectangle:

Now, using the area and the given width, we can then find the length.

Plug in the given values.

Now that we have both length and width, find the perimeter of the rectangle.

Example Question #455 : Basic Geometry

If the area of the rectangle is , what is the perimeter?

5

Possible Answers:

Correct answer:

Explanation:

In order to find the perimeter of a rectangle, you will need to know both length and width. The question, however, only provides us with the width.

Recall how to find the area of the rectangle:

Now, using the area and the given width, we can then find the length.

Plug in the given values.

Now that we have both length and width, find the perimeter of the rectangle.

Example Question #459 : Plane Geometry

If the area of the rectangle is , what is the perimeter?

6

Possible Answers:

Correct answer:

Explanation:

In order to find the perimeter of a rectangle, you will need to know both length and width. The question, however, only provides us with the width.

Recall how to find the area of the rectangle:

Now, using the area and the given width, we can then find the length.

Plug in the given values.

Now that we have both length and width, find the perimeter of the rectangle.

Example Question #460 : Plane Geometry

If the area of the rectangle is , what is the perimeter?

7

Possible Answers:

Correct answer:

Explanation:

In order to find the perimeter of a rectangle, you will need to know both length and width. The question, however, only provides us with the width.

Recall how to find the area of the rectangle:

Now, using the area and the given width, we can then find the length.

Plug in the given values.

Now that we have both length and width, find the perimeter of the rectangle.

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