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A pillar 14 cm in diameter is 5 m high. How much material was used to construct it?

(77×103) cm³
Explanation ```text
1) سلنڈر کا حجم (مواد): V = π r² h جہاں r = 14/2 = 7 cm اور h = 5 m = 500 cm
2) V = (22/7) × 7² × 500 = 77,000 cm³ = 77 × 10³ cm³
```
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