Question

the length and breadth of triangle field are in the ratio of 2 upon 3 if the area of the field is 5290 m square find the cost of fencing it at rupees 40 per metre​

Answer 1

let the ratio be x. 2x,3x. solve area of rectangle : 2x x 3x is equal to 6x now divided 6x by 5290 therefore x equal to 881 then multiply 881 by 40 is equal to 35240 therefore 2x35240 and 3x35240 and answer is 70480and 105720