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The ratio of the height and the diameter...

The ratio of the height and the diameter of a right circular cone is 6:5 and its volume `2200/7 cm^2`.What is its slant height? (Take `pi= 22/7`)
एक गोलाकार शंकु का ऊंचाई और व्यास का अनुपात 6: 5 है और इसकी आयतन `2200/7 cm^2` है। तो इसकी ऊंचाई कितनी है?( `pi= 22/7`)

A

5 cm

B

26 cm

C

25 cm

D

13 cm

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