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Presented by :
Septi Ratnasari (4101412082)
Centre ( Pusat Lingkaran )
All points are the same distance from the center.
Centre O
o
Radius ( jari-jari )
The segment joining the center of a circle to a point on the circle.
Example: OA
o
A
Diameter
A chord that passes through the center of a circle.
Example: AB
OA
B
Chord ( Tali Busur )
A segment joining two points on a circle
Example: AB
B
OA
Secant
A line that intersects the circle at exactly two points.
Example: ABD
C
B
A
O
Tangent ( Garis Singgung )
A line that intersects a circle at exactly one point.
Example: AB
C
B
A
Central Angle ( Sudut Pusat )
An angle whose vertex is at the center of a circle.
Example: Angle ABC
A
B
C
Inscribed Angle ( Sudut Keliling )
An angle whose vertex is on a circle and whose sides are determined by two chords.
Example: Angle ABC
AB
C
Interior Inscribed Angle( Sudut Dalam Berseberangan )
Example: angle ABC angle
DBF B
F
A
D
C
Eksterior Inscribed Angle(Sudut Luar Berseberangan)
Example: angle ABC E
DB
A
C
Arc ( busur )
A figure consisting of two points on a circle and all the points on the circle needed to connect them by a single path.
Example: arc AB
A
B
Intercepted Arc
An arc that lies in the interior of an inscribed angle.
Example: arc AC
AB
C
Sector ( juring )
Segment ( tembereng )
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