13. The cost of fencing a square park at the rate of 20 per metre is rupees 8000. Find the length of side of the square. step by step

13. The cost of fencing a square park at the rate of 20 per metre is r

1.	13. The cost of fencing a square park at the rate of 20 per metre is rupees 8000. Find the length of side of the square. step by step
Answer» 100metres is the required length of the park.Step-by-step explanation:According to the QuestionIt is GIVEN that ,Total cost of fencing = 8000Rate of fencing = 20 per metre we have to calculate the length of the SIDE of the SQUARE .As per given question the square park is fencing so it means that we need to calculate the perimeter of the square park .•Perimeter of Park = Total Cost of fencing/Rate of fencing substitute the value we get ➻ Perimeter of Park = 8000/20➻ Perimeter of Park = 400mNow, calculating the length of side of Square park.Let the side of Square be x mPerimeter of Square = 4 × Side➻ 400 = 4×x➻ x = 400/4➻ x = 100mHence, the length of the side of Square park is 100 METRES.