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*A rectangular ground is 80 m long and 60 m wide. How much long wire will be needed for four-layers of fencing ?*1️⃣ 560 m2️⃣ 1400 m3️⃣ 700 m4️⃣ 1120 m​

Answer»

Explanation:

Let four posts be there at the CORNER A,B,C,D of the RECTANGULAR FIELD.

Then, along the length AB, we have 7 posts and along the breadth BC, we have 5 posts.

Total number of posts =2(7+5)+4=28.

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