The ratio between length and breadth of a rectangle is 4:3.Area is 343sqcm.Find length.
Let length be 4x and breadth 3x.Area=7x*x=7x²=343 x²=49
X=7 Length=4*7=28
A rectangular plot with length 10m and breadth 8m has a pavement of breadth 2m inside it.Find the area of the pavement?
A rectangular plot with length 12 m and breadth 8m has a pavement of breadth 2m outside it.Find area of the pavement?
What is the perimeter of a square whose area is twice the area of a square with perimeter 20m?
The side of a square is 6cm.Find the percentage increase in area if side is trebled?
The side of a square is 5cm.Find the percentage increase in area if side is doubled.