If X = 15 units, then what is the surface area of the cube shown?
Cube:
http://stellalikeyoucare.tumblr.com/

when i did it i got 5,000 i was gottna pick a but i don't know help!!

A. 900 square units

B. 1,800 square units

C. 3,375 square units

D. 1,350 square units

Question

If X = 15 units, then what is the surface area of the cube shown?  
  Cube:
http://stellalikeyoucare.tumblr.com/

when i did it i got 5,000 i was gottna pick a but i don't know help!!

  A.  900 square units 
 
  B.  1,800 square units 
 
  C.  3,375 square units 
 
  D.  1,350 square units

apoorvk · Answer

total no. of surfaces times the surface area of one face.

no of surfaces=6

surface area of one square face = (side)^2

so answer is 6x5^2
=150 sq units

anonymous · Answer

6s^2=D

anonymous · Answer

s=15

apoorvk · Answer

oops.. sorry i misread that x was 5,

for x=15, A =1350 sq units is right. that is D.