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GeoGebra
GeoGebra Lesson
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Google Classroom
GeoGebra
GeoGebra Lesson
Outline
Circle Theorems
Isosceles Triangle in a Circle (page 1)
Isosceles Triangle in a Circle (page 2)
Simple Angle in a Semi-circle
Angle in a semi-circle
Angle in a semi-circle (proof)
Simple Angle at the Centre
Simple Angle at the Centre (Reflex Case)
Angle at the centre (page 1)
Angle at the centre (page 2)
Angle at the centre (page 3)
Angle at the centre (page 4)
Angles in the same Segment
Angles in the same Segment (Proof)
Simple Cyclic Quadrilateral
Cyclic Quadrilateral (Proof)
Alternate Segment Theorem (page 1)
Alternate Segment Theorem (page 2)
Alternate Segment Theorem (proof)
Common Tangents to a Circle
Common Tangents to a Circle (Proof)
Circle Theorems
Author:
Valeriy Rakuta
,
Michael Borcherds
,
LGS teachers
Topic:
Circle
Isosceles Triangle in a Circle (page 1)
Isosceles Triangle in a Circle (page 2)
Simple Angle in a Semi-circle
Angle in a semi-circle
Angle in a semi-circle (proof)
Simple Angle at the Centre
Simple Angle at the Centre (Reflex Case)
Angle at the centre (page 1)
Angle at the centre (page 2)
Angle at the centre (page 3)
Angle at the centre (page 4)
Angles in the same Segment
Angles in the same Segment (Proof)
Simple Cyclic Quadrilateral
Cyclic Quadrilateral (Proof)
Alternate Segment Theorem (page 1)
Alternate Segment Theorem (page 2)
Alternate Segment Theorem (proof)
Common Tangents to a Circle
Common Tangents to a Circle (Proof)
Next
Isosceles Triangle in a Circle (page 1)
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