What is the lateral surface of the rectangular prism below
3 ft
14ft
5 ft

Answer:
284ft^2
Step-by-step explanation:
14 × 5 = 70
2 × 70 = 140
3 × 14 = 42
2 × 42 = 84
3 × 5 = 15
2 × 15 = 30
140 + 84 + 30 = 284