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MAAAAATHSSSS p2 ! LOCI LOCI LOCI !!!

C

cupcake76

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Theres a question on oct/nov 2008.. ABCD is rotated 90 degrees Clockwise, draw accurately locus of points D .. I DONT UNDERSTAND THE QUESTION? what are they asking for??
 
dragonheartstring

dragonheartstring

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They want you to show the path that D will follow after the shape has been rotated 90 degrees clockwise. If you want to see it clearly, you can pull out a tracing paper and rotate the shape and you'll see that D will follow a sort of arc- they just want you to draw that arc and show the new position of D. You can draw it by placing your compass on B and then opening it to the distance BD, placing your pencil on D and then just making an arc. The new point D' should lie on the same imaginary straight line as the point D.
 
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