Parts of a Circle

Please wait for the applet to load. It may take several seconds.[br]Drag points A or B.[br]To see the part(s) of a circle, click on the check box(es).[br]To refresh the screen, click on the refresh icon on the top-right-hand corner of the applet.

Angles at centre and circumference

Please wait for the applet to load. It may take several seconds.[br]Select or de-select by clicking on the check boxes.[br]Drag points P, A, or B.[br]To refresh, click on the refresh icon on the top-right-hand corner.

Angles in a semi-circle

Please wait for the applet to load. It may take several seconds.[br]Select or de-select by clicking on the check boxes.[br]Drag points A or P.[br]To refresh, click on the refresh icon on the top-right-hand corner.

Angles in the same segment

Please wait for the applet to load. It may take several seconds.[br]Select or de-select by clicking on the check boxes.[br]Drag points P, Q, A, or B.[br]To refresh, click on the refresh icon on the top-right-hand corner.

Opposite angles in Cyclic Quad

Please wait for the applet to load. It may take several seconds.[br]Select or de-select by clicking on the check boxes.[br]Drag points P, Q, A, or B.[br]To refresh, click on the refresh icon on the top-right-hand corner.

Secants vs Tangents

Please wait for the applet to load. It may take several seconds.[br]Select or de-select by clicking on the check boxes.[br]Drag points P, Q, A, or B.[br]To refresh, click on the refresh icon on the top-right-hand corner.

Line of symmetry for a triangle

Please wait for the applet to load. It may take several seconds.[br]Select or de-select by clicking on the check boxes.[br]Drag points C, A or B.[br]To refresh, click on the refresh icon on the top-right-hand corner.

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