Work out which aircraft are in danger of colliding from their positions and direction of travel. An exercise in understanding bearings.
Work out which sectors fit together to make complete circles. Knowledge of the sum of the angles at a point will help find more than one correct solution to this puzzle.
Understand and use the relationship between parallel lines and alternate and corresponding angles.
Apply the properties of angles at a point, angles on a straight line and vertically opposite angles.
A memory game to be projected to help the whole class revise the circle angle theorems.
A pairs game based around ten theorems about the angles made with chords, radii and tangents of circles.
Diagrams of the circle theorems to be projected onto a white board as an effective visual aid.
Show that you understand and can apply the circle theorems with this self marking exercise.
A self-marking exercise on finding the exact values of sine, cosine and tangent of special angles given in radians.
Create your own dynamic geometrical diagrams using this truly amazing tool from GeoGebra.
Develop the skills to construct and interpret pie charts in this self-marking set of exercises.
A mixture of problems related to calculating the interior and exterior angles of polygons.
Barbara Bug walks around a regular hexagon turning through each of the exterior angles as she goes.
Arrange the stages of the proofs for the standard circle theorems in the correct order.
Measure line segments and angles in geometric figures, including interpreting scale drawings.
An online game for one or two players requiring an ability to estimate angles as bearings.
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