Topic:
Central Angles
Section:
9 3
.
Questions/Main
Examples & Notes
Ideas
Central Angles • central
A ___________ angle Vertex
________ is an angle with its __________ at the
& Arc Measures radic
center of the circle and two sides with are __________ of the circle.
• 360 (2H)
°
The sum of all central angles in a circle is __________.
• The ____________
measure of an arc is equal to the measure of its
central
__________ angle
___________.
Find each central angle and arc measure.
m5km =
2) + 159 + 2)
1. 210
201
210
=
i
>
mm 360 - 21
= 1590
1598
, 99 3390
=
1590
210
2018
210
3390
-
2. Min = 72 + 2)
210 870 =
93
720
210
218 mNw = 87 + 72 + 108
n =
2670 1080
co 930
10 go 2670
3.
900
1248
2360
3040
Central Angles
Section:
9 3
.
Questions/Main
Examples & Notes
Ideas
Central Angles • central
A ___________ angle Vertex
________ is an angle with its __________ at the
& Arc Measures radic
center of the circle and two sides with are __________ of the circle.
• 360 (2H)
°
The sum of all central angles in a circle is __________.
• The ____________
measure of an arc is equal to the measure of its
central
__________ angle
___________.
Find each central angle and arc measure.
m5km =
2) + 159 + 2)
1. 210
201
210
=
i
>
mm 360 - 21
= 1590
1598
, 99 3390
=
1590
210
2018
210
3390
-
2. Min = 72 + 2)
210 870 =
93
720
210
218 mNw = 87 + 72 + 108
n =
2670 1080
co 930
10 go 2670
3.
900
1248
2360
3040
