Question

Q-5 The cost of fencing a square field is Rs. 12000. If the cost of fencing per meter is Rs.30, find
the area of the square field.​

Answer 1

Answer:

4000 metre

Step-by-step explanation:

Cost of fencing whole field= 12000rs

Cost of fencing 1 metre= 30rs

Area:

Cost of fencing full field/Cost of fencing 1 metre:

12000/30=

4000

So the area of the square field is 4000rs.

Answer 2

★ Given :

The cost of fencing a square field is Rs. 12000. If the cost of fencing per meter is Rs.30.

★ To Find :

The Area of Square field.

★ Solution :

Cost of fencing Per Metre = Rs. 30

Total cost of fencing = Rs. 12000

✪ The length of fencing ( Perimeter )

➤ Total cost /cost per metre

➤ 12000/30

➤ 400 m

_________________

✪ Perimeter of field = Length

➤ 4 × Side = 400

➤ Side = 400/4

➤ Side = 100 cm

_________________

✪ Area of Square field

➤ (Side)² = 100 × 100

➤ 1000m²

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∴ The area of square field is 1000m²

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