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I'm having problems figuring which sides of similar triangles correspond to each other. I can check and find the lines that go through the same angles, but that only works when they are constructed by crossing the same lines and similar approaches.

If you have a right triangle however, and divide it with a line from the 90 degree angle and down to the hypothenuse, you now have 3 triangles which are all similar. And I have to stare at these for 20 minutes and make miniature drawings to figure out which side corresponds to which in the other.

So, I'm thinking that I am missing some basic approach here, but I'm doing self study from a book so I can't kidnap a teacher and make him show me.

Any tips, or recommended reading?

k

If you have a right triangle however, and divide it with a line from the 90 degree angle and down to the hypothenuse, you now have 3 triangles which are all similar. And I have to stare at these for 20 minutes and make miniature drawings to figure out which side corresponds to which in the other.

So, I'm thinking that I am missing some basic approach here, but I'm doing self study from a book so I can't kidnap a teacher and make him show me.

Any tips, or recommended reading?

k

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