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# Edexcel formula sheet

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1. Hi ,
I wanted to ask
I am doing edexcel higher in maths for my gcse's
my teacher says there are some equations I need to knw by heart
does any1 know what they are???
thanks
2. (Original post by AmirahxRashid)
Hi ,
I wanted to ask
I am doing edexcel higher in maths for my gcse's
my teacher says there are some equations I need to knw by heart
does any1 know what they are???
thanks
I don't think there is, if there is any it would be in the front of the book. But things you should know are like Pi R^2 for area of circle Pi D for circumference stuff like that you should remember, and perhaps even area of cylinder. But in terms of things like the quadratic formula for quadratic equations that will be at the front. Any more questions let me know.
3. (Original post by junayd1998)
I don't think there is, if there is any it would be in the front of the book. But things you should know are like Pi R^2 for area of circle Pi D for circumference stuff like that you should remember, and perhaps even area of cylinder. But in terms of things like the quadratic formula for quadratic equations that will be at the front. Any more questions let me know.
Thank you sooo much
im a bit worried for my maths exam
my teacher said some formulas like to know the cosine rule for sides
or the formula fo curved surface of cylinder
again thank you
xx
4. (Original post by AmirahxRashid)
Thank you sooo much
im a bit worried for my maths exam
my teacher said some formulas like to know the cosine rule for sides
or the formula fo curved surface of cylinder
again thank you
xx
You will need to know the difference between total surface area and curved surface area and other formulas extra:

Curved SA: pi x r x s (s = slant length)
Total SA: (pi x r s) + (pi x r^2)

Volume of a pyramid: (l x w x h) / 3

Volume of square based pyramid: a^2 x (h / 3) (a = base edge)

Volume of cone: (pi x r x h) / 3

Area of parallelogram: b x h (b x bottom length)

...That's all the extra one's I know of, but yes, you DO need to know some extra formulas; not all are given to you.

Good luck to us all in two weeks!
5. (Original post by roryburke901)
You will need to know the difference between total surface area and curved surface area and other formulas extra:

Curved SA: pi x r x s (s = slant length)
Total SA: (pi x r s) + (pi x r^2)

Volume of a pyramid: (l x w x h) / 3

Volume of square based pyramid: a^2 x (h / 3) (a = base edge)

Volume of cone: (pi x r x h) / 3

Area of parallelogram: b x h (b x bottom length)

...That's all the extra one's I know of, but yes, you DO need to know some extra formulas; not all are given to you.

Good luck to us all in two weeks!
true dat
good luck everyone]
and thanks for the extra help
I appreciate it

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