Practice Problems 30 Provided by http://www.textbooksfree.org
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Units 1-13    
Units 14-24     Units 25-38     Units 39-49
Return to Unit 30 Parallel Lines, Similar Triangles, and Congruent Triangles     Part 4 Exponents
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Use angle descriptions A - D and this figure to answer questions 1-8.

A) Alternate Interior Angles

B) Alternate Exterior Angles

C) Corresponding Angles

D) Vertical Angles

9) Triangles ABC and DEF are similar. Find the length of side DF.

Quick Notes stars all these problems Students have been told that starred problems are very difficult.
Students are encouraged not to worry if they can't do these problems because
there are very few problems of this level on standardized basic mathematics exams.