Asked by anoynomous
                A cone 7dm high and 6 dm in diameter is placed on the ground. Sand is poured over it until conical heap 21 dm high and 33 dm circumference at the bottom is formed. Find how many m^3 of sand is there?
            
            
        Answers
                    Answered by
            Steve
            
    volume of cone is 1/3 pi r^2 h
subtract the small cone from the large cone
That's how much is sand.
    
subtract the small cone from the large cone
That's how much is sand.
                    Answered by
            anoynomous
            
    what about 33dm circumfernce
    
                    Answered by
            anoynomous
            
    what about 33dm circumfernce 
    
                    Answered by
            Steve
            
    well, you know that C = 2pi r, so,
r = 33/2pi
Forgot about that?
    
r = 33/2pi
Forgot about that?
                    Answered by
            Vvuggogdrood
            
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