Answer:
i pretty sure the missing number is 4
Step-by-step explanation:
Answer:
128cm²
Step-by-step explanation:
<em>To find out how much material he needs, you need to find the surface area of the box. Each box has 6 sides, 2 of 3 different sides. </em>
Surface area = 2(6 × 4) + 2(6 × 4) + 2(4 × 4)
= 128cm²
Answer:
148
Step-by-step explanation: