Question

the perimeter of a rectangular park is 44 cm if the bretah is 5 fine the length of the park

Answer 1

Answer:

Perimeter of rectangle = 2(l+b)

= 2(l + 5) = 44cm

2l + 10 = 44

2l = 34

l = 17 cm

Answer 2

Appropriate Question :

The perimeter of a rectangular park is 44 cm. If the breadth is 5 cm. Find the length of the park.

Given :

• Perimeter of a rectangular park = 44 cm
• Breadth of the rectangular tank = 5 cm

To find :

• Length of the park

Knowledge required :-

• Formula of perimeter of rectangle :-

Perimeter of rectangle = 2(l + b)

where,

• l = length of the rectangle
• b = breadth of the rectangle

Solution :

⠀⠀⠀⇒ Perimeter = 2(l + b)

⠀⠀⠀⇒ 44 = 2(l + 5)

⠀⠀⠀⇒ 44/2 = l + 5

⠀⠀⠀⇒ 22 = l + 5

⠀⠀⠀⇒ 22 - 5 = l

⠀⠀⠀⇒ 17 = l

Length of the rectangle = 17 cm

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⠀⠀⠀⠀⠀⠀⠀⠀⠀Verification -:

Substitute the value of l in 44 = 2(l + 5)

LHS = 44

Taking RHS,

⠀⠀⠀⇒ 2(l + 5)

⠀⠀⠀⇒ 2(17 + 5)

⠀⠀⠀⇒ 2(22)

⠀⠀⠀⇒ 44

RHS = 44

LHS = RHS

⠀⠀⠀⠀⠀⠀Hence, verified.