and are complementary, and are comple-F.___
mentary
G._- Whichof the followingstatementsmustbe true?AnswerYes or No.
A.
B.
C.
- The followingdiagramshowsa ray of light that is reflectedfrom a mirror. The dashedsegmentis perpen-
dicularto the mirror..
is calledthe angleof incidence; is calledthe angleof reflection.Explainhow you knowthat the
angleof incidenceis congruentto the angleof reflection.
Answers
1.
2.
3.
4.
A. GivenB. Definitionof perpendicularsegmentsC. AngleAdditionPostulate