91¶¶Òõ

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91¶¶Òõ

Last updated

20 March 2013

ppt, 216 KB
ppt, 216 KB
An excellent lesson from Trinity School, Notts about perpendicular lines.
Creative Commons "Sharealike"

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4

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DaveGale

15 years ago
4

Clear and to the point with enough examples to practise with. Good for teaching or revising this topic.

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