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Earn +20 ptsQ: What are the 5 20 cm rectangles in perimeter?
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What are all possible rectangles with a perimeter of 26 cm and whole number lenthes of sides?
5
What is the area of a square with a perimeter of 20 centimeters?
The area of square is : 400.0
Can 2 rectangles have the same perimeter but different areas?
Of course. A rectangle that is 5 by 5 (yes, that's a square, but a square is a rectangle) has a perimeter of 5 + 5 + 5 + 5 = 20 and an area of 5 x 5 = 25. A rectangle that is 9 by 1 also has a perimeter of 20 (= 9 + 1 + 9 + 1) but an area of 9 (= 9 x 1).
Why is the perimeter of a square greater than the perimeter of a rectangle?
It is not. The perimeter of a 1 cm square is 4 cm. The perimeter of a 5 km * 15 km rectangle is 4000000 cm: a million times as large!
How could you find the perimeter of a square with sides 5 cm without drawing a picture?
No picture is required because a square has four equal sides, so each side is 5 cm long. Perimeter is the measure around the outside of the figure, so you simply add 5+5+5+5 or multiply 5x4 to get 20 cm. Easy peasy. :)
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