Explanation:
SA = 12(3 + 4 + 5) + 2(½ × 3 × 4)
SA = 12(12) + 2(2 × 3)
SA = 144 + 2(6)
SA = 144 + 12
SA = 156 cm²
Therefore
Surface area of prism is 156 cm². Option D
Answer:
The full surface area is:
Correct choice is D
1.6m questions
2.0m answers