Form 11: Same Area, Different Perimeter
Investigate shapes that share the same total area but have different perimeters. Analyze how altering rectangle dimensions changes the boundary length.
Questions
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MultiChoice
Rectangle A is 12x1 cm. Rectangle B is 6x2 cm. Both have an area of 12 sq cm. What is the perimeter of Rectangle A?
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MultiChoice
What is the perimeter of Rectangle B (6x2 cm)?
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MultiChoice
Which 12 sq cm rectangle has a smaller perimeter: 12x1 cm or 4x3 cm?
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MultiChoice
A rectangle has an area of 16 sq cm. If its side lengths are 16 cm and 1 cm, what is its perimeter?
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MultiChoice
A square has an area of 16 sq cm. What is its perimeter?
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MultiChoice
Two rectangles have an area of 24 sq cm. One is 8x3 cm, another is 6x4 cm. What is the perimeter of the 8x3 cm rectangle?
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MultiChoice
What is the perimeter of the 6x4 cm rectangle?
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MultiChoice
Which rectangular arrangement of 36 unit squares has the smallest perimeter?
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MultiChoice
Which rectangular arrangement of 36 unit squares has the largest perimeter?
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MultiChoice
An area of 20 sq cm can be made with a 10x2 cm rectangle. What is its perimeter?
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MultiChoice
An area of 20 sq cm can also be made with a 5x4 cm rectangle. What is its perimeter?
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MultiChoice
True or False: Shapes with the exact same area can have completely different perimeters.