Sam is making a case for his calculator. It is a rectangular prism that will be 5.5 inches long by 2 inch wide by 5 inches high.
How much material (surface area) will he need to make the case?
1 answer:
Answer:
97in³
Step-by-step explanation:
L = 5.5, W = 2, H = 5
2(h × W) + 2(h × L) + 2(W × L)
= 2(5*2) + 2(5*5.5) + 2(2*5.5)
= 2(10) + 2(27.5) + 2(11)
= 20 + 55 + 22
= 97in³
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