Question

Find the cost of fencing a rectangular field of length and breadth 42 metre at the rate of rs 8 sq metre

Answer 1

Step-by-step explanation:

cost=8×2(l+b)

=8×2(42+42)

=ans

Answer 2

Answer:

according to the question the figure should be a square so the question is incorrect.

Step-by-step explanation:

length=42 m

breadth=42 m

perimeter of rectangle =2×(l+b)m

=2×(42+42)m

=2×84m

=168m

cost of fencing the rectangular field at the rate of rs.8 sq metre:-

= ₹(168×8)

= ₹1344