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Shapes formuli

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Rikahs:
Hi all,

Could someone please list all the volume and shape formulas required for 2u, e.g. Volume of cone, area of trapezium, etc

Thanks

jakesilove:

--- Quote from: Rikahs on October 17, 2016, 01:59:45 pm ---Hi all,

Could someone please list all the volume and shape formulas required for 2u, e.g. Volume of cone, area of trapezium, etc

Thanks

--- End quote ---

Interestingly, I think the General Maths formula sheet has everything you're looking for! Check it out :)

Rikahs:
Oh thank you!

jakesilove:

--- Quote from: Rikahs on October 17, 2016, 02:06:09 pm ---Oh thank you!

--- End quote ---

No problem! Let us know if you have any other specific questions!

Rikahs:
Also a little of topic but you know how there are some finance questions saying "how many months will it take for Billy to pay of his debt" I realize what you have to do in the sense that you are trying to find "n" however most of the time after doing the working out, you get a non integer value e.g n= 205.348837.

So the question here is do I take the value of n as "205" or "206" ? I've seen one answer in the hsc were they just rounded to nearest whole number so in this case would be 205 however if billy does 205 payments then technically he will still have some of the loan still left over to pay. So yeah that's where my confusion arises from.

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