Unit 28B problems with answers from http://www.textbooksfree.org/
Need Help? Quick Notes Unit 28 Lines and Angles and Part 4 Review will help
Go to Unit 29 PP     PP Index      Math Internet Library

Place the name of the angle description next to its name.
11) _____ acute	12) _____ obtuse
13) _____right	14) _____straight
15) _____ adjacent	16) _____ vertical
17) _____supplementary	18) _____ complementary