circle theorems euro anglais maths Flashcards
1
Q
Alternate segment theorem
A
The angles that lies between a tangent and a chord is equal to the angle subtended by the same chord in the alternate segment
2
Q
Angle at the centre theorem
A
The angle at the centre is twice the angle at the circumference
3
Q
Angles in the same segment theorem
A
Angles in the same segment are equal
4
Q
A
5
Q
Chord of a circle
A
The perpendicular from the centre of a circle to a chord bisects the chord (splits the chord into two equal parts)
6
Q
A
7
Q
Tangent of a circle
A
A. The angle between a tangent and radius is 90°
B. Tangents wich meet at the same point are equal in lenght
