Difference between revisions of "User:Me@home"

 
(6 intermediate revisions by the same user not shown)
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I did everything related to the [[ Mock AIME 3 Pre 2005]]
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<asy>
all in one edit - each solution page, the answers, and the entire aime page.
 
  
 +
unitsize(.5cm);
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pair bar(pair a) {
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return (a.x,-a.y);
 +
};
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pair A[] = { (6.5,0),(1.5,12) };
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pair P[] = { A[0],A[1],-bar(A[1]),-bar(A[0]),(2A[0]-bar(A[0]))/3,(2A[0]+A[1])/3,
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(5A[0]-4bar(A[0]))/9,(5A[0]+4A[1])/9
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};
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pair D[] = { (2P[4]+P[5])/3,(P[4]+2P[5])/3 };
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draw( D[0]--P[6] ,blue+1mm);
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draw( D[0]--P[4] ,blue+1mm);
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draw( P[6]--P[4], black+1mm);
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pair E[] = {(D[0]+P[6])/2,D[0] + P[6] - P[4]};
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dot(E[0]);dot(E[1]);
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draw(P[6]--E[1],red+1mm);
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draw(P[4]--E[1],red+1mm);
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draw(P[4]--P[5]);
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draw( D[0] -- E[1]);
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draw(D[1]--P[7]);
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draw( P[3] -- P[0] -- P[1]) ;
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for(int i=0;i<10;++i) {
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if(i<4) {
  
Hmmm... I think dollars signs convert automatically to math symbols
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} else {
 
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dot( (i<8) ? P[i] : D[i-8] );
<pre> <math>ab</math> </pre>
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}
<math>ab</math>
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};
  
<asy>
 
import graph;
 
import markers;
 
unitsize(3cm);
 
int n=18;
 
real a=360/n;
 
for (int i = -3; i < n-4; ++i)
 
{
 
  draw(dir(i*a)--dir((i+1)*a),.5+black);
 
}
 
for (int i = -2; i < n-4; ++i)
 
{
 
  draw(dir(i*a)--2*dir(i*a)-dir((i-1)*a),blue);
 
  markangle(scale(.7)*"<math>\theta</math>",radius=15,2*dir(i*a)-dir((i-1)*a),dir(i*a),dir((i+1)*a),ArcArrow(1mm),.5+blue);
 
}
 
markangle(scale(.7)*"<math>\theta</math>",radius=15,2*dir(15*a)-dir(14*a),dir(15*a),dir(16*a),ArcArrow(1mm),.5+blue);
 
draw(dir(14*a)--6*dir(14*a)-5*dir(13*a));
 
label("<math>\ell</math>",(7*dir(14*a)-5*dir(13*a))/2,S);
 
label("<math>m</math>",(7*dir(15*a)-5*dir(14*a))/2,dir(3*a));
 
label(scale(.8)*"<math>180-\theta</math>",.95*dir(14*a),dir(5*a),red);
 
draw(dir(14*a)--6*dir(15*a)-5*dir(14*a));
 
markangle("<math>\theta</math>",radius=60,2*dir(14*a)-dir(13*a),dir(14*a),dir(15*a),ArcArrow(1mm),.5+red);
 
</asy>
 
<asy>
 
import graph;
 
import markers;
 
import geometry;
 
unitsize(1inch);
 
int n=18;
 
real a=360/n;
 
pair A = dir(0);
 
pair B = A+dir(40);
 
pair C = B+dir(120);
 
pair D = C+dir(220);
 
pair E = D+dir(240);
 
real w=.5+sin((7*pi)/18);
 
picture pic,picc;
 
draw(pic,origin--.5*A--.5*B--.5*C--.5*D--.5*E);
 
draw(picc,origin--A--B--C--D--E);
 
label(picc,shift(5*dir(6*a))*"<math>\alpha</math>",A,dir(6*a));
 
label(picc,shift(10*dir(9*a))*"<math>\beta</math>",B,dir(9*a));
 
label(picc,shift(10*dir(13*a))*"<math>\gamma</math>",C,dir(13*a));
 
label(picc,shift(5*dir(16*a))*"<math>\delta</math>",D,dir(16*a));
 
label(picc,shift(10*dir(1.5*a))*"<math>\epsilon</math>",E,dir(1.5*a));
 
add(shift(3.5*dir(200))*picc);
 
for (real i = 1; i <= 6; i+=1)
 
{
 
  add(rotate(60*i)*pic);
 
  add(shift(.5*dir(60*i-60))*rotate(60*i+280)*pic);
 
  add(shift(w*dir(60*i-60))*rotate(60*i+140)*pic);
 
}
 
 
</asy>
 
</asy>

Latest revision as of 00:21, 15 September 2008

[asy]  unitsize(.5cm); pair bar(pair a) {  return (a.x,-a.y); }; pair A[] = { (6.5,0),(1.5,12) }; pair P[] = { A[0],A[1],-bar(A[1]),-bar(A[0]),(2A[0]-bar(A[0]))/3,(2A[0]+A[1])/3, (5A[0]-4bar(A[0]))/9,(5A[0]+4A[1])/9  }; pair D[] = { (2P[4]+P[5])/3,(P[4]+2P[5])/3 }; draw( D[0]--P[6] ,blue+1mm); draw( D[0]--P[4] ,blue+1mm); draw( P[6]--P[4], black+1mm); pair E[] = {(D[0]+P[6])/2,D[0] + P[6] - P[4]}; dot(E[0]);dot(E[1]); draw(P[6]--E[1],red+1mm); draw(P[4]--E[1],red+1mm); draw(P[4]--P[5]); draw( D[0] -- E[1]); draw(D[1]--P[7]); draw( P[3] -- P[0] -- P[1]) ; for(int i=0;i<10;++i) { if(i<4) {  } else {  dot( (i<8) ? P[i] : D[i-8] ); } };  [/asy]