Mathematics · Aptitude (Mensuration)
A rectangular building plan has external dimensions of 10 m × 8 m. If all the outer walls are uniform at 0.3 m thickness, what is the total length of the walls computed using the Centreline Method?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 136.4 m
- 236.0 m
- 335.4 m
- 434.8 m✓
Correct answer
34.8 m
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