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How to ……

How to ……. Bisect an angle. What?. ‘Bisect’ means to cut exactly in half. If you bisect an angle, you get two equal angles e.g. if you bisect a 60 ° angle you get two 30° angles. Any point on the angle bisector will be equidistant from the lines which make the original angle.

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How to ……

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  1. How to …… Bisect an angle.

  2. What? • ‘Bisect’ means to cut exactly in half. • If you bisect an angle, you get two equal angles e.g. if you bisect a 60° angle you get two 30° angles. • Any point on the angle bisector will be equidistant from the lines which make the original angle.

  3. I was okay until the last bit. Angle bisector Equal lengths

  4. How to bisect an angle

  5. Set your compasses to a reasonable length

  6. Place the point on the vertex of the angle And draw 2 arcs.

  7. Like this….

  8. Now place the compass pointwhere one of the arcs cross the line And draw another arc ‘inside’ the angle

  9. Should look similar to this

  10. Now repeat on the other side

  11. Draw a line from where the arcscross to the vertex of the angle

  12. You have bisected the angle Leave your arcs in situ

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