Question

list the dimensions of all the possible rectangles having a perimeter of 12cm

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Answer 1

Perimeter of rectangle = 2(length + breadth)

$\small \text{.°. \: Sum of length \& breadth = } \tt\frac{perimeter}{2} \\ \\ = > \small \text{Sum of length \& breadth =} \frac{12}{2} = \: \rm 6 \: cm$

Therefore, all possible dimensions are

• 1 cm & 5 cm
• 2 cm & 4 cm
• 3 cm & 3 cm

Answer 2

$\huge\underline{\bf \red{ ❥ ᴀɴsᴡᴇʀ }}$

• P = Perimeter.

• Perimeter of rectangle = 2(length + breadth)

⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀or

• P= (l+b)

.°. Sum of length & breadth = P/2

=>Sum of length & breadth = 12/2 =6cm

.°. All possible dimensions are given as follows :-

• 1 cm and 5 cm
• 2 cm and 4 cm
• 3 cm and 3 cm.