Civil Service Exam Reviewer · Measurement and Geometry · hard
An open-top box (no lid) is 23 cm long, 22 cm wide and 13 cm high. What is the area of material used?
- 2182 cm²
- 1676 cm²
- 6578 cm²
- 1170 cm²
Answer
B. 1676 cm²
Solution
Bottom 506 + sides 2(23 + 22)(13) = 1170 → 1676 cm².
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