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Circle Theorems
- Circle Theorem 1 - Angle at the Centre
- Circle Theorem 2 - Angles in a Semicircle
- Circle Theorem 3 - Angles in the Same Segment
- Circle Theorem 4 - Cyclic Quadrilateral
- Circle Theorem 5 - Radius to a Tangent
- Circle Theorem 6 - Tangents from a Point to a Circle
- Circle Theorem 7 - Tangents from a Point to a Circle II
- Circle Theorem 8 - Alternate Segment Theorem
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Circle Theorems
MrDoyle, Alexa Konya, Oct 19, 2023
This collection holds dynamic worksheets of all 8 circle theorems.
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1. Circle Theorem 1 - Angle at the Centre
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2. Circle Theorem 2 - Angles in a Semicircle
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3. Circle Theorem 3 - Angles in the Same Segment
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4. Circle Theorem 4 - Cyclic Quadrilateral
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5. Circle Theorem 5 - Radius to a Tangent
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6. Circle Theorem 6 - Tangents from a Point to a Circle
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7. Circle Theorem 7 - Tangents from a Point to a Circle II
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8. Circle Theorem 8 - Alternate Segment Theorem
Circle Theorem 1 - Angle at the Centre
Move the points on the circumference of the circle. What do you notice about the angles in the circle?
Note: Due to GeoGebra's rounding this model only holds true when the angle at the centre is set to an even number.
Circle Theorem 1 - Angle at the Centre
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