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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