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When a conical bottle rests on its flat base, the water in the bottle is 8 cm from the cone's vertex.

When the same conical bottle is turned upside down, the water surface is 2 cm from the flat base.

What is the height (in cm) of the bottle?

 

 Jan 10, 2020
 #1
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The height of the bottle is 23 cm.

 Jan 11, 2020
 #2
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See the full answer here: https://mindyourdecisions.com/blog/2018/11/01/challenge-for-13-year-olds-how-tall-is-the-bottle/

 Jan 11, 2020

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