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Find the cost of lying grass in the given triangular field at the rate of ₹ 10 per Sq.metre if the area of the field is 325.50 square metre. |
Answer» <html><body><p><strong>Step-by-step explanation:</strong></p><p>Rs 10500</p><p>Sides of the triangle are a=50m,b=65m,c=65m</p><p><a href="https://interviewquestions.tuteehub.com/tag/area-13372" style="font-weight:bold;" target="_blank" title="Click to know more about AREA">AREA</a> of triangle, by Heron's <a href="https://interviewquestions.tuteehub.com/tag/formula-464310" style="font-weight:bold;" target="_blank" title="Click to know more about FORMULA">FORMULA</a> = </p><p>s(s−a)(s−b)(s−c)</p><p> </p><p> </p><p>where, </p><p>s= </p><p><a href="https://interviewquestions.tuteehub.com/tag/2-283658" style="font-weight:bold;" target="_blank" title="Click to know more about 2">2</a></p><p>a+b+c</p><p> </p><p> </p><p>s= </p><p>2</p><p>50+65+65</p><p> </p><p> </p><p>s=90</p><p>Area of triangle = </p><p>90(40)(<a href="https://interviewquestions.tuteehub.com/tag/25-296426" style="font-weight:bold;" target="_blank" title="Click to know more about 25">25</a>)(25)</p><p> </p><p> </p><p>Area of triangle = <a href="https://interviewquestions.tuteehub.com/tag/1500m-1791815" style="font-weight:bold;" target="_blank" title="Click to know more about 1500M">1500M</a> </p><p>2</p><p> </p><p></p><p>Cost of laying grass = Area ×7</p><p>Cost of laying grass =1500×7</p><p>Cost of laying grass = Rs 10500</p></body></html> | |