CK12 - Geometry

throughoutthe rest of this geometrycourse.

LessonExercises

Use the diagramto answerquestions1-8.

1. Namea right angle.


2. Nametwo perpendicularlines (not segments).


3. Giventhat is true?Explainyour answercompletely.


4. Giventhat is a rectangle?Explainyouranswerinformally. (Note:This is a new
   question.Do not assumethat the givenfrom a previousquestionis includedin this question.)


5. Fill in the blanks:
   . Why?
   . Why?


6. Fill in the blanks:


7. Giventhat , prove


8. Giventhat , prove:

Whatgeometricobjectsdoesthe real-worldmodelsuggest?

9. Model:two railroadtracks


10. Model:a floor and a ceiling


11. Model:two lines on a pieceof graphpaper


12. Model:referee’s armswhensignalinga touchdown


13. Model:capitalletter