Circle theorems
There are 7 circle theorems that we need to consider.
Angles at centre are twice angles at circumference
Angles in the same segment
Angles at centre are twice angles at circumference
Opposite angles in a cyclic quad add up to 180 degrees
Radius to a
tangent
1
, Two angles
from an
The
Alternate
The exterior
angle
between the
2
There are 7 circle theorems that we need to consider.
Angles at centre are twice angles at circumference
Angles in the same segment
Angles at centre are twice angles at circumference
Opposite angles in a cyclic quad add up to 180 degrees
Radius to a
tangent
1
, Two angles
from an
The
Alternate
The exterior
angle
between the
2