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 Post subject: Pie chartPosted: Fri Sep 16, 2011 10:10 pm

Joined: Sat Jun 12, 2010 7:21 pm
Posts: 21
Does anyone know if protractor would be required for the kent exam tomorrow? I have one already and would like Child to take along but was told its not necessary.

Also CSSE maths paper 03 -Q22 pie chart does it require protractor:- ie "A pie chart shows marks for Ian's 6 subject (maths,English, Science, Geography, Art History). The total for all Ian's mark came to 396.

Q1) which subject did Ian gained most marks? ( I can see its History)
Q2) How many marks did he get for this subject? the answer is 99 (is this an estimate or do we measure using protractor?

Thanks

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 Post subject: Re: Pie chartPosted: Fri Sep 16, 2011 10:31 pm

Joined: Mon Jun 18, 2007 2:32 pm
Posts: 7137
Location: East Kent
you don;t need a protractor, all the elements in a pie chart add up to100%, you know some information 100% = 396.

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 Post subject: Re: Pie chartPosted: Fri Sep 30, 2011 10:27 pm

Joined: Sat Jun 12, 2010 7:21 pm
Posts: 21
Thanks yoyo123. You are a star!

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 Post subject: Re: Pie chartPosted: Sun Oct 09, 2011 11:51 am

Joined: Sat Jul 30, 2011 7:03 pm
Posts: 21
yoyo123 wrote:
you don;t need a protractor, all the elements in a pie chart add up to100%, you know some information 100% = 396.

100% = 396 What does it mean???

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 Post subject: Re: Pie chartPosted: Sun Oct 09, 2011 11:59 am

Joined: Mon Jun 18, 2007 2:32 pm
Posts: 7137
Location: East Kent
A pie chart is divided up into " slices" but the whole thing is 100% ie 1 whole.

( imagine cutting a whole pie into slices of varying size)

The information in the question tells us that the total for Ian's marks is 396.

Without the diagram I don;t have all the information, but from working backwards I would guess that it says History is 25%,

25% of 396 is 99.

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