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LESSON 1.4b
PROBLEM SOLVING
THE LONGEST LINE
Key concepts:
Problem solving, planning and brainstorming. Understanding, and applying the design process.
This is not a trick question. (The white lines in the background are not in play.)
There is only one correct answer.
There are only 4 coloured lines in the image: red, blue, green and black
They are all similar in length, but one is longer than the others.
Decide which is the longest line.
Make sure you are right. Provide proof that your answer is correct.
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