Mathematics
NULL
Medium
Question
The area of cardboard (in cm²) needed to make a box of size 25 cm × 15 cm × 8 cm will be __________?
A
1390 cm²
✓ Official correct answer
B
695 cm²
C
1280 cm²
D
1220 cm²
Community credibility
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A
1390 cm²
No member explanations yet for this option.
B
695 cm²
No member explanations yet for this option.
C
1280 cm²
No member explanations yet for this option.
D
1220 cm²
No member explanations yet for this option.
Explanation
Total surface area = 2(25×15 + 15×8 + 8×25) = 1390 cm².