Question

the perimeter of a rectangle is16 m.if one of its side is 2 m more than the other. find its length and breath?​

Answer 1

Answer:

Perimeter of the square =4a=4×12.5=50cm

Let the breadth of the rectangle =b cm.

Perimeter of the rectangle =2(l+b)=50cm

=>16+b=25

=>b=9 cm

Area of the rectangle =l×b=16×9=144cm

2

Step-by-step explanation:

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Answer 2

• Length = 5 cm
• Breadth = 3 cm

Step-by-step explanation:

Let,

• Length be 'l'
• Breadth be 'b'

Given,

• Perimeter = 16 m
• One side = 2 m more than other side

Let that side be Length (l) = 2 + breadth ------- (1)

Formula,

• Perimeter of a rectangle = 2 ( Length + Breadth )

Substituting values in Formula,

⟶ 16 = 2 [(2 + b) + b]

⟶ 16 = 2 (2 + 2b)

⟶ 16 = 4 + 4b

⟶ 4b = 16 - 4

⟶ 4b = 12

⟶ b = 12 / 4

⟶ b = 3

Substituting 'b' in (1),

⟶ l = 2 + b

⟶ l = 2 + 3

⟶ l = 5

• ∴ Length of the rectangle = 5 cm &
• Breadth = 3 cm