An iron pole is 4 m high and 28 cm in diameter. Find its weight if the iron weighs 5 g per m³
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Given :-
- Height of iron pole = 4 m.
- Diameter of the iron pole = 28 cm.
To Find :-
- Weight of the iron pole.
Solution :-
Radius of the pole :-
➩ 28/2
➩ 14 cm
Converting centimeter to meters ↓
➩ 14/100
➩ 0.14 m.
Volume of the iron pole :-
➩
➩ 22/7 × 0.14 × 0.14 × 4
➩ 22 × 0.02 × 0.14 × 4
➩ 0.2464 m^3.
Weight of the pole :-
➩ Volume × weight per volume.
➩ 0.2464 × 50
➩ 12.32 kg
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