Question 1 of 52

The figure shows a cuboid with a volume of 640m$^3$. The shaded face, labelled B, is a square of area 64m$^2$. What is the area of A?

Question Image of The figure shows a cuboid with a volume of 640m$^3$. The shaded face, labelled B, is a square of area 64m$^2$. What is the area of A?  .
A
70m$^2$
B
80m$^2$
C
90m$^2$
D
100m$^2$
E
None of the above