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 Post subject: Help pleasePosted: Sun Mar 03, 2013 8:59 pm

Joined: Sun Jan 20, 2013 10:22 am
Posts: 73
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 Post subject: Re: Help pleasePosted: Sun Mar 03, 2013 9:19 pm

Joined: Mon Aug 22, 2011 8:20 pm
Posts: 1706
Location: Warwickshire
Think about how many edges the shape in the middle has.
Rather than counting them all you might find that you can think of them as being in groups - how many groups?
How many edges to each group?
So many edges altogether?
How long is each edge?
So the perimeter (the distance around the shape in the middle) is ????

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 Post subject: Re: Help pleasePosted: Sun Mar 03, 2013 9:30 pm

Joined: Sun Jan 20, 2013 10:22 am
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 Post subject: Re: Help pleasePosted: Sun Mar 03, 2013 9:37 pm

Joined: Wed Jan 18, 2012 11:41 am
Posts: 5649
Location: Essex
Okanagan wrote:
Think about how many edges the shape in the middle has.
Rather than counting them all you might find that you can think of them as being in groups - how many groups?
How many edges to each group?
So many edges altogether?
How long is each edge?
So the perimeter (the distance around the shape in the middle) is ????

Although just counting them wouldn't actually take that long

Are these questions being set by someone else? If they are in a book you have bought, is there a version with the answers in the back?

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Outside of a dog, a book is a man's best friend. Inside of a dog it's too dark to read.Groucho Marx

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