Question

A rectangular park is 100m long and 70m bread . It has to be fenced to keep the cattle away .How much wire is needed to be fenced
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Answer 1

Answer:

Given: Length of the rectangular field=110 m

Breadth of the rectangular field=85 m

Perimeter of the rectangular field=2(l+b)

=2(110+85)=2×195

Perimeter of the rectangular field=390 m

2

Cost to fence the field per metre=Rs.25

Cost to fence the field 390 metre=Rs.25×390=Rs.9,750‬

∴ Cost of fencing the field =Rs.9750

Answer 2

• Wire needed --2(l+b)
• --2(100 + 70)
• --2 ×170
• -- 340 m