The diagonal of a rectangle is thrice its smaller side . The ratio of the length to the breadth of the rectangle is :
`sqrt(l^2 + b^2) = 3b`
`rArr l^2 + b^2 = 9b^2`
`rArr l^2 = 8b^2`
`rArr l^2/b^2 = 8`
`rArr l/b = `sqrt(8)`
`rArr l/b = 2sqrt(2)`
`rArr l : b = 2sqrt(2)` : 1
Submit Comment/FeedBack