1. ## Hi some trig help please

How do we express h in terms of x

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2. ## Re: Hi some trig help please

Q4. What is the volume of the cylinder (in terms of x)? What is the volume of the cone (in terms of x and h)?
These are equal so set them equal and rearrange to find h in terms of x.
Give it a go and come back if you need more help.

Same approach needed in Q3.