[" Q."6." A given rectangular area is to be fenced off,in a "],[" field whose length lies along the river.Show that "],[" the least length will be required when length of "],[" the field is twice its breadth."]

A given rectangular area is to be fenced off in a field whose length lies aong a straight river. If no fencing is needed along the river,show that the least length of fencing will be required when length of the field is twice its breadth.

the area of the square field is 5184m^2 Find the area of a rectangular field, whose perimeter is equal to the perimeter of the square field andwhose length is twice of its breadth.

The length of a rectangular field is three times its breadth. If the area of the field be 147 sq metres, find the length of the field.

If fencing needs to be done for a rectangular field of length 80m and width 60m , then the total length (in m) of the fence required is

The length of a rectangular field is thrice its breadth and its perimeter is 240 m. The length of the field is

The area of a rectangular field is 400 sq m. If the breadth of the field is 16 m, find the length of the field.

The length and the breadth of a rectangular field are in the ratio 5:3. If the width of the field is 36 m, then its length is

The cost of fencing a rectangular field at Rs 18 per metre is Rs 1980.If length of the field is 32 m, find its Breadth.

Length and breadth of rectangular field are in the ratio 5:2. If the perimeter of the field is 238 m. Find the length of the field

The length of a rectangular field is 60m and the breadth is half of its length. Find the area of the field.