The area of a square is 144 sq. feet. What is the width of a rectangle (in feet) if its area is equal to half the area of the square and its length is 9 feet?
সঠিক উত্তর: Option C
area of rectangle is = 144/2 sq feet = 72 feet suppose, width of rectangle is X then , 9x=72 or, x =72/9 = 8 so, width=8