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Q: What is the area of a rectangle that its perimeter is 39?

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It's greatest possible perimeter: 1+39+1+39 = 80 feet

the area of a rectangleis 100 square inches. The perimeter of the rectangle is 40 inches. A second rectangle has the same area but a different perimeter. Is the secind rectangle a square? Explain why or why not.

The perimeter of the rectangle is the sum of its 4 sides.

find the perimeter and area of a rectangle that is 15cm long and 5cm wide

The length of a rectangle is twice its width. If the perimeter of the rectangle is , find its area.

No. For example, a 4x1 rectangle will have an area of 4 and a perimeter of 10. A 2x2 rectangle will have the same area of 4, but a perimeter of 8.

Area 39*1=39 perimeter 39+39+1+1=80 * * * * * Wrong! What about 0.1 * 390 which has an area of 0.1*390 = 39, as required but a perimeter of 0.0 + 0.1 + 390 + 390 = 780.2 Or 0.01 * 3900 with a perimeter of 7800.02 or 0.001 * 39000 with a perimeter of 78000.002 In fact, unless the question specifies that the sides MUST have integer measures, there is no limit. And the question does not make that requirement.

the length of a rectangle is 5 more then the width. Find the perimeter and the area of the rectangle

Let's take a look at this problem.Rectangle Perimeter = 2(l + w)Rectangle Perimeter =? 2(2l + 2w)Rectangle Perimeter =? (2)(2)(l + w)2(Rectangle Perimeter) = 2[2(l + w)]Thus, we can say that the perimeter of a rectangle is doubled when its dimensions are doubled.Rectangle Area = lwRectangle Area =? (2l)(2w)Rectangle Area =? 4lw4(Rectangle Area) = 4lwThus, we can say that the area of a rectangle is quadruplicated when its dimensions are doubled.

Yes, the perimeter or area of a rectangle can be an irrational number. Thanks

No,for example, a 1x2 rectangle has an area of 2 but a perimeter of 6

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