Area of the rectangle inside

Question

A picture frame measuring 30cm by 20cm has a border thickness of x cm all around. What is the simplified expression that would be used to find the area of the picture inside?

Michael J. · Accepted Answer

Area = (20 - 2x)(30 - 2x)
Area = 600 - 100x + 4x2

Area of the rectangle inside

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Area of the rectangle inside

1 Expert Answer

Still looking for help? Get the right answer, fast.

OR

RELATED TOPICS

RELATED QUESTIONS

The width of a rectangle is 6 less than twice its length. If the area of the rectangle is 102 square centimeters, what is the length of the diagonal?

How do I find the area of a rectangle with the verticies shown?

If I know the SquareFeet (Sq.Ft.) of a plot, can I calculate Length (L) and Width (W)

There is a rectangle, it's height is 3x and its width is 2x+xy. Find the area, but in the rectangle there are to empty boxes, there width and hight are x.

how do you find the length of a rectangle with a width of 75 and area is at most 6250 square feet?

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