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Any area you want greater than 0 cm2 and less than or equal to 16 cm2.
perimeter_of_rectangle = 2 x (width + length)
16 cm = 2 x (width + length)
⇒ width + length = 8 cm
⇒ length = 8 cm - width
Neither dimension can be negative, so they are both greater than 0 cm and less than 8 cm.
Area_of_rectangle = width x length
⇒ area = width x (8 cm - width)
= 8 x width - width2 cm2
This has a minimum value when width = 0 cm or 8cm of 0 cm2, so the area of the perimeter must be greater than 0 cm2 (as the width can be neither 0 cm nor 8 cm).
This has a maximum value when width = 4 cm:
max_area = 8 x 4 - 42 cm2 = 16 cm2.
when the width is between 0 cm and 4 cm (and so the length is between 8 cm and 4 cm) the area is between 0 cm2 and 16 cm2
When the width = 4 cm, the length is also 4 cm, that is the rectangle is a square.
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Well, honey, the perimeter of a rectangle is calculated by adding up all the sides. So for a rectangle that's 6cm by 2cm, you just do 6 + 6 + 2 + 2 which equals 16cm. There you go, darling, hope that helps!
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The perimeter is all the way around the shape so it would be.. 16 + 16 + 2 + 2 = 36. Therefore th perimeter must be 36cm.
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Well, honey, the perimeter of a rectangle is calculated by adding up all the sides. So for a rectangle that's 6cm by 2cm, you just do 6 + 6 + 2 + 2 which equals 16cm. There you go, darling, hope that helps!
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