central angles Flashcards
1
Q
a _ of a circle is an angle which vertex is in the center of the ccircle
A
central angle
2
Q
an _ is a part of a circle.
A
arc
3
Q
the measure of the arc formed by two adjacent arcs is the sum of the measures of the two arcs
A
POSTULATE 23
4
Q
A diameter divides a circle into two semicircle
A
Postulate 24
