The third one is the correct answer
Find the area of each face and add them all together, or since a cube has 6 faces, you can multiply the area of one face by 6.
x + y = 52
x = y - 18
Adding,
2x + y = 52 + y - 18
2x = 34
x = 17
y = x + 18 = 35
Check: x+y = 17+35 = 52, good
Answer: 17 and 35
Answer:
The volume is 25cm
Step-by-step explanation: