Question

Solve - A rectangular field is of length 45 m and breadth 25 m. It has to be fenced around with barbed wire. Find the length of barbed wire required to fence by giving 4 rounds. ​

Answer 1

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★ Given :-

Length of rectangular field = 45 m

Breadth of rectangular field = 25 m

★ Find :-

Length of barbed wire which is required to fence 4 rounds.

★ Formula used :-

Perimeter of rectangle =2(Length × Breadth)

★ According to the question,

= 2 ( Length × Breadth )

= 2 ( 45m + 25 m)

= 2 × 70 m

= 140 m

.°. Perimeter of rectangle is 140 m.

___________________________....

★ Length of the barbed wire which need to fence 4 rounds :-

= 4 × 140 m

= 560 m.

Answer 2

Answer:

★ Given :-

Length of rectangular field = 45 m

Breadth of rectangular field = 25 m

★ Find :-

Length of barbed wire which is required to fence 4 rounds.

★ Formula used :-

Perimeter of rectangle =2(Length × Breadth)

★ According to the question,

= 2 ( Length × Breadth )

= 2 ( 45m + 25 m)

= 2 × 70 m

= 140 m

.°. Perimeter of rectangle is 140 m.

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