Answer:
582 (C)
Step-by-step explanation:
The side closest to us (and the back too) is 9*9 + (15-9)*(15) = 81 + 90 = 171 *2 sides = 342
The top and bottom faces are: 15*4 = 60 * 2 sides = 120
The left side + right side = 15*4 * 2sides = 120
120+120+342 =
582
