anonymous
  • anonymous
1 Using straight edge and compasses only (i.e. no measuring with a ruler or protractor), construct: (a) the perpendicular bisector of a line segment; (b) the bisector of an acute angle; (c) an equilateral triangle. Explain the geometrical principles that ensure your constructions work.
Mathematics
  • Stacey Warren - Expert brainly.com
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jamiebookeater
  • jamiebookeater
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anonymous
  • anonymous
just want an explanantion of the geometrical principles
anonymous
  • anonymous
i know how to construct them
phi
  • phi
see http://www.mathopenref.com/constbisectline.html for (a) scroll down to proof for why it works. you can search the site for the other constructions.

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anonymous
  • anonymous
Thanks @phi
anonymous
  • anonymous
is the explanation suitable to teach 11-16 year olds? that's who the target audience if for @phi
phi
  • phi
16 year old is almost college age... If they understand geometric proofs, yes. But you will have to be the judge.
anonymous
  • anonymous
okay thanks @phi

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