Andrea Morgan – Resources – GeoGebra

The relationship between the exterior and interior angles of a triangle.
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Andrea Morgan
Parallel lines and angles
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Andrea Morgan
Equating Cos and Sin Trig functions
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Andrea Morgan
Properties of a Trapezium
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Andrea Morgan
2. A cubic function and its derivatives
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Andrea Morgan
Congruence of Triangles
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Andrea Morgan
Congruency: ASA
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Andrea Morgan
Congruency: SSS
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Andrea Morgan
Congruency: SAS
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Andrea Morgan
Investigating the Circumference of a Circle and Pi
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Andrea Morgan
The Area of a circle
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Andrea Morgan
Rhombus
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Andrea Morgan
Parallelograms
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Andrea Morgan
Sum of the Interior Angles of a Regular Polygon
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Andrea Morgan
The Sum of Exterior Angles of Polygons
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Andrea Morgan
2. A cubic function and its derivatives
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Andrea Morgan
Introduction to straight line graphs
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Andrea Morgan
Convex Pentagon and the effect of the change in the size of one interior angle
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Andrea Morgan
Interior Angles of different Polygons
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Andrea Morgan
Interior angles and the sum of exterior angles
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Andrea Morgan
Convex and concave polygons
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Andrea Morgan
Regular polygons
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Andrea Morgan
Relationship between lengths of sides and opposite angles in triangles
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Andrea Morgan
Classifying triangles
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Andrea Morgan