The length and breadth of a rectangular park are in the ratio 5:4 and

1.	The length and breadth of a rectangular park are in the ratio 5:4 and its area is 2420 m². Find the cost of fencing the park at the rate of ₹10 per metre.
Answer» ong>Step-by-step EXPLANATION: the are of rectangular=l×b 5x×4x=2420 20x²=2420 x²=2420/20 x²=121 x=√121 x=11 5x=5×11=55 4x=4×11=44 the perimeter of rectangular=2(l+b) =2(55+44) =2×99 =198 198×10= 1980 ans I HOPE its HELP you MARK me.

The length and breadth of a rectangular park are in the ratio 5:4 and its area is 2420 m². Find the cost of fencing the park at the rate of ₹10 per metre.

Answer»

ong>Step-by-step EXPLANATION:

the are of rectangular=l×b

5x×4x=2420

20x²=2420

x²=2420/20

x²=121

x=√121

x=11

5x=5×11=55

4x=4×11=44

the perimeter of rectangular=2(l+b)

=2(55+44)

=2×99

=198

198×10= 1980 ans

I HOPE its HELP you MARK me.