volume of cylinder which is 18cm high and radius is 10.5cm
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volume
![= \pi {r}^{2} h = \pi {r}^{2} h](https://tex.z-dn.net/?f=+%3D+%5Cpi+%7Br%7D%5E%7B2%7D+h)
![= 22 \div 7 \times 10.5 \times 10.5 \times 18 = 22 \div 7 \times 10.5 \times 10.5 \times 18](https://tex.z-dn.net/?f=+%3D+22+%5Cdiv+7+%5Ctimes+10.5+%5Ctimes+10.5+%5Ctimes+18)
![= 22 \times 1.5 \times 10.5 \times 18 = 22 \times 1.5 \times 10.5 \times 18](https://tex.z-dn.net/?f=+%3D+22+%5Ctimes+1.5+%5Ctimes+10.5+%5Ctimes+18)
![= 6210 {cm}^{3} = 6210 {cm}^{3}](https://tex.z-dn.net/?f=+%3D+6210++%7Bcm%7D%5E%7B3%7D+)
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