Use a 54 cm long wire to form a rectangle. If the length is twice the width, what is the length and width of the rectangle? What's the area?

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• 3. If the length of a rectangle is increased by 2cm and the width by 5cm, the area will be increased by 60 square centimeters. It just happens to be a square. What is the original area of this rectangle? Solve by arithmetic I can use equations, too. I don't want to
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• 13. Use a 60 cm long iron wire to form a rectangle. Make the width of the rectangle 2 / 3 of the length, and find the area of the rectangle Help me
• 14. Use a 24 cm wire to form a rectangle. What's the area of the rectangle?
• 15. Use a piece of iron wire to form a rectangle that is 4 / 9 in width and 4 / 9 in length. If it is changed into a square, the length must be shortened by 3.5cm. How long is the iron wire?
• 16. Use 50cm long wire to form a rectangle, so that his area is 154cm. How many cm are her length and width? Please write the detailed process! Thank you~~~
• 17. Use a 54 cm long wire to form a rectangle. If the length is twice the width, what is the length and width of the rectangle? What's the area?
• 18. Use a 48CM long wire to form a rectangle. The rectangle is 5cm long and 4cm wide. What's its height
• 19. A section of iron wire is enclosed into a rectangle with an area of 150 cubic meters, and its length is 5cm longer than its width?
• 20. A 76cm long wire is surrounded into a rectangle, and the length is 5cm more than twice of the width