The rectangular park has a length of (3y+2z) metres and a breadth of (4y−2z) metres. Each side is to be fenced with 5 rows of wires. What is the length of the wire needed (in metres)?
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Answer:
10y
Step-by-step explanation:
3y + 2z = l
4y - 2z = b
perimeter = 2(L+B) = 2(3y+2z + 4y-2z)
6y + 4z + 8y -4z
= 10 y
10y wire is needed
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