Question

The area of a rectangular plot is 880 cm square & its length is 4 cm. Find (a) Its perimeter (b) Cost of fencing it at ₹5 per month.​

Answer 1

Answer:

Step-by-step explanation:

Area = l*b

880=4b

b=880/4=220cm

Perimeter=2(l+b)

P=2*224

P= 448cm

Cost of fencing per cm= ₹5

Therefore total cost = 448*5=₹2240

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Answer 2

Answer:

Here's how to solve it:

Given:-

Area of the rectangular plot: 880 cm²

Length of the rectangular plot: 4 cm

Perimeter:?

Cost of fencing at ₹5 per meter:?

To find: a) Perimeter of the rectangular plot.

b) Cost of fencing at ₹5 per meter.

Solution:

a)Area of rectangle:l*b

880 cm²= 4*b

b=880/4

b=220

So, now that we have the breadth we can find the perimeter.

Perimeter of rectangle= 2(l+b)

=2(220+4)

=2*224

=448

Therefore, The perimeter is 448 cm.

b) 448*5

₹2,240

Therefore, The cost of fencing in the rectangular plot is ₹2,240.

Hope this helps you.