Circle Theorems Flashcards
1
Q
The angle subtended by an arc at the centre is ……. the angle subtended at the ……
A
Twice
Circumference
2
Q
The angle at the circumference …… by the same arc are …..
A
Subtended
Equal
3
Q
Opposite angles in a cyclic quadrilateral add up to ……
A
180
4
Q
What is a cyclical quadrilateral ?
A
A quadrilateral inside a circle .
5
Q
The angle at the circumference in a semi circle is a ……
A
Right angle
6
Q
The angle between a tangent and a radius is ……
A
90
7
Q
Tangents which meet at the same point are …… in length.
A
Equal
8
Q
The perpendicular from the centre of a circle to a chord …… the chord.
A
Bisects
9
Q
The alternate segment theorem.
The angles between a …… and a chord is …… to the angle in the alternate segment.
A
Tangent
Equal
