Circle Theorems Matching Cards - Great Maths Teaching Ideas
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The angle at the centre is twice the angle at the circumference Angles in the same segement are equal The angle in a semicircle is 90 degrees Oppositeangles in a cyclic quadrilateral add up to 180 degrees The perpendicular from the centre to the chord bisects the chord The angle between a tangent and a radius is 90 degrees Tangents from a pointoutside a circle are equal in length Alternate segment theorem
Transcript of Circle Theorems Matching Cards - Great Maths Teaching Ideas
Theangleatthecentre istwicetheangleatthecircumference
Anglesinthesamesegement
areequal
Theangleinasemicircleis90
degrees
Oppositeanglesinacyclic
quadrilateraladdupto180
degrees
Theperpendicularfromthecentretothechord
bisectsthechord
Theanglebetweena
tangentandaradiusis90degrees
Tangentsfromapointoutsideacircleareequal
inlength
Alternatesegmenttheorem