Answer
Option C is correct.
Surface area = 34 units²
Step-by-step explanation
The total surface area of a cuboid or a rectangular prism is the sum total of the area of its faces.
For this question,
Four of the faces each have an area of 6 units²
Two faces each have areas of 5 units²
Total surface area
= 4 (6) + 2 (5)
= 24 + 10
= 34 units²
Hope this Helps!!!