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maths constructions?

01-06-2011 02:50PM

#1

rainaa

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Join Date: February 2011

Posts: 39

i was out when we did them and forgot to get them off my teacher
does anyone have notes/can write quickly how to do a few pleaseee?

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#2 01-06-2011 04:13PM

Desire.

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To bisect a line, draw a line segment and set your compass to a measurement that is just over half the length of the line segment. Sticking the compass point at each end of the line segment, draw an arc above and below the line. Join the two points where each arc intersect.

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#3 01-06-2011 05:09PM

En

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Join Date: June 2011

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http://www.mathopenref.com/constbisectangle.html
^^ Bisecting an angle^^
Great site for constructions with some very easy to follow animations.

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