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## Reg. Unit 2 Test Review October 6, 2013

Posted by Ms. Miller in Geometry.
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Unit 2 Test Review

Solutions

 1. $110\textdegree$ 2. $65\textdegree$ 3. $\mathrm{m}\angle ABD=30\textdegree$ 4. $3x+1+4x-7=6x+35$$x=41$$\mathrm{m}\angle RQS=124\textdegree$ 5. $6x+11+3x+8=180$$x=\frac{161}{9}$$\mathrm{m}\angle ABD=118.\overline{3}$ 6. $6x+11=4x+73$$x=31$ 7. $\frac{1}{12}$ 8. $1$ 9. If two coplanar lines intersect, then they form vertical angles. 10. example: $5$ 11. $x=4$ because $4^2+4+5=25$ 12. $\mathrm{If }\underline{x^2=4},\mathrm{ then }\underline{\underline{x=-2\mathrm{ or }x=2}}$ 13. If an angle does not measure between 90° and 180°, then the angle is not obtuse. 14. $Y \rightarrow X \rightarrow Z \rightarrow W$ 15. Jason is here. 16. B R A V E V E B R A R A V E B E B R A V A V E B R 17. A polygon is a triangle iff it has three sides. 18. 2, 3, 1, 4If you an sing, then you will orbit the Earth. 19. 1. Given4. Angle add. post.5. Substr. prop. =7. Subtr. prop. =8. $\angle 3 \cong \angle 1$ 20. 3. Def. right angles4. Subst. prop. =5. Subtr. prop. =
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