HM2 H Block 3.31.15
Objectives:
1) Define arcs, central angles, and chords
2) Prove basic facts about arcs, central
angles, and chords
March 31, 2015
HM2 H Block 3.31.15
Find the measure of arc AB
Find the measure of angle M
March 31, 2015
HM2 H Block 3.31.15
March 31, 2015
Minor Arc
Major Arc
Assume we are referring to the minor arc
unless otherwise stated
HM2 H Block 3.31.15
Theorem: Two central angles are
congruent if and only if their intercepted
arcs are congruent
March 31, 2015
HM2 H Block 3.31.15
March 31, 2015
To prove an "if and only if" statement, prove the statement
and its converse.
Homework:
p. 658 #2, 12, 13, 14
p. 669 #2-7, 12, 13