Mathematics, 27.06.2021 17:40 kayla2945
A lamp shade is in form of a frustum of a cone , its upper and lower diameter are 10cm and 20cm respectively , its height is 12cm . Calculate the volume of the frustum
Answers: 1
![V = \frac{1}{3} \pi \times 12 [( 20)^2 + (20)(10)+(10)^2]](/tpl/images/1384/8219/9528e.png)
![$V=4 \pi[400 + 200+100]$](/tpl/images/1384/8219/cca03.png)
![$V=4 \pi[700]$](/tpl/images/1384/8219/b4687.png)
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A lamp shade is in form of a frustum of a cone , its upper and lower diameter are 10cm and 20cm resp...
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