This week's maths problem
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Problem of the week
On Friday of each week we will post a new maths challenge.
You may submit your solution by the following Thursday.
Each problem contains two different levels of difficulty. You will be awarded from 2 to 12 points for a full answer.
Each series contains 12 problems before the stage winner is determined.
Your score will be published here.
Suggestions for problems are welcome.
Deadline is 24th may 2012
Series 30
problem 357
“Someone from our maths group showed me this idea from the last Kangaroo Competition. I've drawn it again”, Maria said to Bernd who was closely examining the sheet of paper.
“The picture consists of a rectangle of 12 by 6 cm and four fitting quarters of a circle. If I cut the picture apart, I'll get this one.”
What's the difference between the perimeters of the two figures in centimetres? - 3 blue points
How big are the areas and perimeters of the two figures? - 5 red points
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