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Jim Dickson
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Mathematics Teacher, sometime meteorologist and retired Royal Naval Officer
Mathematics Teacher, sometime meteorologist and retired Royal Naval Officer

17 followers
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Boat and Bike
Boat and Bike
seafrontflaneur.jped.uk
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The Atlantic Hurricane seasons starts this week on Wednesday the first of June. Tropical storm naming is well under way already.  ‘Bonnie’ (featured image) has just been downgraded from ‘Tropical Storm’ to ‘Tropical Depression’ and is the first system to…

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The Atlantic Hurricane seasons starts this week on Wednesday the first of June. Tropical storm naming is well under way already.  ‘Bonnie’ (featured image) has just been downgraded from ‘Tropical Storm’ to ‘Tropical Depression’ and is the first system to…
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There’s always space on the inter-web for another proof of Pythagoras’s Theorem.  Here’s one that uses the following equal areas property of parallelograms. This kind of area chopping and shape translation is a feature of Euclidean geometry and our senses…

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There’s always space on the inter-web for another proof of Pythagoras’s Theorem.  Here’s one that uses the following equal areas property of parallelograms. This kind of area chopping and shape translation is a feature of Euclidean geometry and our senses…

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There’s always space on the inter-web for another proof of Pythagoras’s Theorem.  Here’s one that uses the following equal areas property of parallelograms. This kind of area chopping and shape translation is a feature of Euclidean geometry and our senses…
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A yacht has two parallel masts which are both perpendicular to a level deck.  One mast is 12 m high, the other is 8 m.  Stays are rigged from the head if each mast to the foot of the other.  Find the perpendicular height of the crossing point above the…
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