- Namean obtuseanglein the diagram.
- Namea straightanglein the diagram.
- Whichanglecan be namedusingonly one letter?
- Explainwhy it is okayto namesomeangleswith only one angle,but with otheranglesthis is not okay.
- Use a protractorto find below:
(Source:http://commons.wikimedia.org/wiki/File:Protractor.jpg;License:GNUFree Documentation)
- Given and , find.
- True or false:Addingtwo acuteangleswill resultin an obtuseangle.If false,providea counterexample.
Answers
- or
- , , , or are four possibleanswers.Thereare more(howmany?)
3.
- or or
5.
- Angle
- If thereis morethan one angleat a givenvertex,then you mustuse threelettersto namethe angle.If
thereis only one angleat a vertex(as in angle above)then it is permissibleto namethe anglewith one
letter.