A) \[\Rightarrow \]
B) \[\frac{r}{21-r}=\frac{4}{3}\]
C) \[\Rightarrow \]
D) \[3r=84-4r\]
Correct Answer: A
Solution :
\[24\sqrt{35}c{{m}^{2}}\] \[150c{{m}^{2}}\] \[30\sqrt{7}cm\] Area of the canvas = lateral surface area of cylinder + lateral surface area of cone \[\frac{15\sqrt{7}}{2}cm\] \[\frac{15\sqrt{7}}{4}cm\]You need to login to perform this action.
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