Question

The cost of putting a fence around a square field at Rs 2.50 per metre is rupees 200 .the length of each side of the field is

Answer 1

Answer:

20 m

Step-by-step explanation:

$\text{Total cost of fencing = Rs. 200}\\\\\text{Cost of fencing per meter = Rs. 2.5}\\\\\therefore \: \text{Perimeter = Total cost \div Cost per meter}\\\\= 200 \div 2.5\\\\= 80 \: m\\\\\text{Let the side of the square be a. Then, Perimeter = 4a}\\\\\text{According to question,}\\\\4a = 80\\\\\implies a = 80 \div 4 = \boxed{20 \: m}$

Answer 2

Answer:

Step-by-step explanation: