the angle at the centre angles in the same the angle in a
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![Page 1: The angle at the centre Angles in the same The angle in a](https://reader031.vdocument.in/reader031/viewer/2022012102/6169f96d11a7b741a34d6f14/html5/thumbnails/1.jpg)
Theangleatthecentreistwicetheangleatthe
circumference
Anglesinthesamesegement areequal
Theangleinasemicircleis90
degrees
Oppositeanglesinacyclicquadrilateraladdupto180
degrees
Theperpendicular fromthecentre tothechord
bisectsthechord
Theanglebetweenatangent andaradius
is90degrees
Tangentsfromapointoutsideacircleareequalinlength
Alternate segmenttheorem