132077
Beschreibung
Mindmap von Catherine Flack, aktualisiert more than 1 year ago
|
Erstellt von Catherine Flack
vor mehr als 11 Jahre
|
|
Circle thereoms
- Thereom 1
- The lengths of two
tangents from a
point to a circle are
equal.
- The lengths of two
tangents from a
point to a circle are
equal.
- Thereom 2
- The
perpendicular from
the centre of a
circle to a chord
bisects the chord.
- The
perpendicular from
the centre of a
circle to a chord
bisects the chord.
- Thereom 3
- The angle
subtended at the
centre of a circle is
twice the angle at
the circumfrence.
- The angle
subtended at the
centre of a circle is
twice the angle at
the circumfrence.
- Thereom 4
- The angle in a semicircle is
a right angle.
- The angle in a semicircle is
a right angle.
- Thereom 5
- Angles in the same
segment are equal.
- Angles in the same
segment are equal.
- Thereom 6
- Opposite angles
of a cyclic
quadrilateral are
supplementary
(add up to 180
degrees).
- Opposite angles
of a cyclic
quadrilateral are
supplementary
(add up to 180
degrees).
- Thereom 7
- The angle
between a tangent
and a chord is
equal to the angle
in the alternate
segment,
- The angle
between a tangent
and a chord is
equal to the angle
in the alternate
segment,
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