Question

A rectangular display board depicting ‘’BE DISCIPLINED’’ is kept
near the main gate of the school. The perimeter of a rectangular
board is 58m. Its length is 2 m more than twice its breadth
i)If the breadth of the rectangle is x cm.
The length of rectangle is
ii) Perimeter in terms of x is

Answer 1

Answer:

1. the length of rectangle is 2x+2
2. 1/2(3x+2) or 1/2(2x+2+x)

Answer 2

Step-by-step explanation:

Breadth = x m

Length = 2x+2 m (According to question)

i) We know,

Perimeter of a rectangle = 2 (l+b)

So, 2 (2x+2+x) = 58

= 2 (3x+2) = 58

= 3x+2 = 58/2

= 3x+2 = 29

= 3x = 27

x = 27/3 = 9 m

Breadth = x = 9 m

Length = 2x+2 = 2×9+2 = 20 m

ii) = 2 (2x+2+x)

= 2 (3x+2)

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