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Year 11 Revision

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mfjw:
Hi Maths people!

I've attached a question on Geometrical Figures that I've having trouble with. Could anyone please help me?

Thanks :)

P.S. Sorry I did forget to attach the question :/

RuiAce:
Where's the attachment?

conic curve:

--- Quote from: RuiAce on July 19, 2016, 03:36:45 pm ---Where's the attachment?

--- End quote ---

Yeah that's what I was asking as well

He's offline at the moment (I also think he forgot to attach it)

Basically geometry is about adding in extra lines (in my opinion) and using certain proofs in order to solve the problem. I feel that sometimes it can get quite difficult

jamonwindeyer:

--- Quote from: mfjw on July 19, 2016, 03:31:56 pm ---Hi Maths people!

I've attached a question on Geometrical Figures that I've having trouble with. Could anyone please help me?

Thanks :)

P.S. Sorry I did forget to attach the question :/

--- End quote ---

Hi! I can help, it's not too difficult, let's use a bit of algebra (all numbers in degrees):



For the second part, lets label angles ABD and EBC as x, and DBC as y. By looking at the diagram:



Hope this helps!!  ;D

studybuddy7777:
This certainly isnt my specialty, as I dropped yr 11 mathematics due to getting abysmal marks, but could i suggest geogabra? (I think thats how you spell it)
Geogabra is has a very user friendly interface and is extremely useful for seeing how a curve looks and how it changes from when you put an algebraic expression in
Eg x2 vs 2x2 or 3x+2 vs 3x-2. etc etc
Helped me anyway and I hope it helps you!

Available as a desktop application (or program or whatever you want to call it!!), from the appstore and (unconfirmed) google play.
Thanks all and actually knuckle down for Year 11 Maths. I know most of prelim there are subjects which do not use any of the prelim info in hsc. YEAR 11 2U MATHS IS NOT LIKE THAT. If you do not get something, ask for help straight away before you bury yourself in so deep you dont know where to start asking questions, and then nothing makes sense. Sources? Personal experience :( live and learn from other peoples mistakes!

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