Question
Asked Feb 5, 2020
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The length of a rectangle is twice its width

If the perimeter of the rectangle is 42cm what is the area

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Expert Answer

Step 1

Given:

The length of a rectangle is twice its width and the perimeter of the rectangle is 42cm.

Let x be the width of the rectangle. Then the length of the rectangle is 2x.

Step 2

Since the perimeter of the rectangle is 2(length+width)

Algebra homework question answer, step 2, image 1
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Step 3

Therefore, width of the rectangle is 7 cm and the length of the re...

Algebra homework question answer, step 3, image 1
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Math

Algebra

Numbers