berapakah volume kerucut berikut jari jari 42cm dan tinggi 50cm
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Penyelesaian :
-
- V = 1/3 × πr² × t
- V = 1/3 × 22/7 × 42 × 42 × 50
- V = 1/3 × 22 × 6 × 42 × 50
- V = 132 × 14 × 50
- V = 1.848 × 50
- V = 92.400 cm³
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