Quantity I: The area of a circle shown in the figure is half the area of a rectangle. Find the percentage by which the length of the rectangle is grea...
Question
Quantity I: The area of a circle shown in the figure is half the area of a rectangle. Find the percentage by which the length of the rectangle is greater than its breadth.
Quantity II: When a pair of opposite sides of a square is increased by 10 cm each, the area of the resulting figure increases by 400 cm². Find the percentage increase in the area.