The area of a triangular field with equal sides is equal to 3√ 5 times the area of another triangular park whose sides are 50 m, 80 m and 120 m. what will be the cost of putting the fence around the field at the rate of Rs. 105 per metre?

• A. Rs. 46,830
• B. Rs. 47,460
• C. Rs. 47,250
• D. Rs. 46,935