The volume of a piece of drainpipe is 25 litres. If the diameter of the pipe is 5cm, how long is it? Give your answer in metre to 2 decimal places. (Remember, 1 litre= 1000cl, 1cl=1cm^3

Question

anonymous · Answer

Hey Scarlett

scarlettthecamel · Answer

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scarlettthecamel · Answer

@campbell_st could you explain more is it meaning that the volume means $$\pi r^2$$ times by the height

scarlettthecamel · Answer

i mean the volume equals

scarlettthecamel · Answer

the volume of the cylinder is 25 so i do pi r^2*25  ?

scarlettthecamel · Answer

i'm sorry i don't get it how do i use the diameter to work it out

scarlettthecamel · Answer

@campbell_st

scarlettthecamel · Answer

which calculation the pi r^2*25 or use the diameter?

scarlettthecamel · Answer

does h mean height?

scarlettthecamel · Answer

okay so how do i do that when i havn't got the height?

anonymous · Answer

@campbell_st can u answer the question then explain

scarlettthecamel · Answer

@campbell_st

scarlettthecamel · Answer

so the equation is v=pi r^2*h and i need to solve that?

anonymous · Answer

@campbell_st answer me sunshine

scarlettthecamel · Answer

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