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

The cost of fencing a square park at the rate of 20 per metre is rupee

1.	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» <html><body><p>100mStep-by-step explanation:In such cases cost = rate * area (or perimeter) In this question, we have the cost of <a href="https://interviewquestions.tuteehub.com/tag/fencing-986522" style="font-weight:bold;" target="_blank" title="Click to know more about FENCING">FENCING</a>, so it's about the perimeter. => Cost = Rate * Perimeter=> 8000 = 20 * perimeter => 8000/20 = perimeter=> 400 = perimeterAs we know, perimeter of square is <a href="https://interviewquestions.tuteehub.com/tag/4-311707" style="font-weight:bold;" target="_blank" title="Click to know more about 4">4</a> times of the length of the <a href="https://interviewquestions.tuteehub.com/tag/side-1206832" style="font-weight:bold;" target="_blank" title="Click to know more about SIDE">SIDE</a>. If length of the side is 'a', then the perimeter is 4a. => 400 = 4a => 400/4 = a => <a href="https://interviewquestions.tuteehub.com/tag/100-263808" style="font-weight:bold;" target="_blank" title="Click to know more about 100">100</a> = a Hence, the length of side of the square is <a href="https://interviewquestions.tuteehub.com/tag/100m-265968" style="font-weight:bold;" target="_blank" title="Click to know more about 100M">100M</a>.</p></body></html>