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Teachers' Lounge Discussion: Geometry - ideas for teaching proofs

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From: dorairaj

To: Teacher2Teacher Public Discussion
Date: 1998072501:56:30
Subject: Re: Thales theorem and similar triangles

My students get confused about when to use Thales' Theorem and when to apply similar triangles when they are faced with solving riders. Is there an easy method of telling them, please? Thanks, dorairaj

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