circle theorems matching cards - great maths teaching ideas
TRANSCRIPT
Theangleatthecentre istwicetheangleatthecircumference
Anglesinthesamesegement
areequal
Theangleinasemicircleis90
degrees
Oppositeanglesinacyclic
quadrilateraladdupto180
degrees
Theperpendicularfromthecentretothechord
bisectsthechord
Theanglebetweena
tangentandaradiusis90degrees
Tangentsfromapointoutsideacircleareequal
inlength
Alternatesegmenttheorem