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QHE Question: A piece of wood 20 cm long is cut into three pieces at random. What is the probability that the three pieces can form a triangle?
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| A | B | C | D | E | ||
| 0 | less than 0.5 | 0.5 | more than 0.5 | 1 | ||
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This activity is a Microsoft Excel document of 85 K . Don't have Microsoft Excel installed on your computer? Download a free Excel viewer here. |
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Alternatively, you can use this Cabri Géomètre II plus figure to create random triangles. You can download a demo version of Cabri here. |
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Extension question - If a point P is randomly placed on AB with midpoint M, what is the probability that AP, PB and AM can be made to form a triangle? |
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