Difference between revisions of "User:5849206328x"

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<asy>
 
<asy>
 
// scale the image
 
// scale the image
unitsize(108);
+
unitsize(126);
  
pair A, B, C, I, L, Ia;
+
pair A, B, L, P, T;
A = dir(111); B = dir(207); C = dir(333); dot(A); dot(B); dot(C);
+
A = dir(195); L = dir(270); B = dir(345); dot(A); dot(B); dot(L);
draw(A--B--C--cycle);
+
draw(A--B);
draw(circumcircle(A,B,C));
+
draw(circumcircle(A,B,L));
  
I = incenter(A,B,C); dot(I);
+
P = (2*A + B)/3; dot(P);
draw(circumcircle(B,I,C),dashed);
+
T = intersectionpoints(circumcircle(A,B,L),L--(L + 100*(P - L)))[0]; dot(T);
L = intersectionpoints(circumcircle(A,B,C),A--(A + 100 * (I - A)))[1]; dot(L);
+
draw(circumcircle(T,P,P+(0.0000001,0)));
Ia = intersectionpoints(circumcircle(B,I,C),A--(A + 100 * (I - A)))[1]; dot(Ia);
+
draw(L--T);
draw(A--Ia);
 
  
 
label("$A$",A,NE);
 
label("$A$",A,NE);
label("$B$",B,WNW);
+
label("$B$",B,NE);
label("$C$",C,ENE);
 
label("$I$",I,NE);
 
 
label("$L$",L,NE);
 
label("$L$",L,NE);
label("$I_a$",Ia,NNE);
+
label("$P$",P,NE);
 +
label("$T$",T,NNW);
 
</asy>
 
</asy>

Revision as of 18:48, 2 July 2014

[asy] // scale the image unitsize(126);  pair A, B, L, P, T; A = dir(195); L = dir(270); B = dir(345); dot(A); dot(B); dot(L); draw(A--B); draw(circumcircle(A,B,L));  P = (2*A + B)/3; dot(P); T = intersectionpoints(circumcircle(A,B,L),L--(L + 100*(P - L)))[0]; dot(T); draw(circumcircle(T,P,P+(0.0000001,0))); draw(L--T);  label("$A$",A,NE); label("$B$",B,NE); label("$L$",L,NE); label("$P$",P,NE); label("$T$",T,NNW); [/asy]