MATH 7200
Homework #4

Click here for my copies of the questions. Click here for the original page of questions.

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4. Click here for a GSP sketch and proof that the sum of the angles of a triangle is 180 degrees BUT alas I used parallel lines. Click here for a GSP sketch and proof (WITHOUT parallel lines) that the sum of the angles of a triangle is 180 degrees. NOTE this second version was uploaded AFTER class.

5. (XC) Click here for a GSP sketch of the construction of a golden rectangle.




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