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circle theorems
| Question | Answer |
|---|---|
| Angles in a semi circle is | 90 degrees |
| the angle at the centre is **** the angle at circumference | twice |
| angles at the circumference are equal if | the angles stand on the same arc |
| in a cyclic quadratic opposite | angles add up to 180 degrees |
| tangent meets radius at | 90 degrees |
| tangents from a point | are equal |
| the angle between a tangent and a chord is ***** to the angle at the circumference in the ********* segment | equal alternate |