R1, R2, R3 and R4 are 4 rectangles with areas 15 m2,6 m2,9 m2 and 2 m2 respectively. Which is the 'biggest' rectangle?
R1
A rectangle is a 2 dimensional shape. Hence the rectangle with the largest area is the biggest one.
15 m2 is the largest area, hence R1 is the biggest rectangle.