User:5849206328x: Difference between revisions

Revision as of 18:33, 2 July 2014

$[asy] // scale the image unitsize(108); pair A, B, C, I, L, Ia; A = dir(111); B = dir(207); C = dir(333); dot(A); dot(B); dot(C); draw(A--B--C--cycle); draw(circumcircle(A,B,C)); I = incenter(A,B,C); dot(I); draw(circumcircle(B,I,C),dashed); L = intersectionpoints(circumcircle(A,B,C),A--(A + 100 * (I - A)))[1]; dot(L); Ia = intersectionpoints(circumcircle(B,I,C),A--(A + 100 * (I - A)))[1]; dot(Ia); draw(A--Ia); label("$A$",A,NE); label("$B$",B,WNW); label("$C$",C,ENE); label("$I$",I,NE); label("$L$",L,NE); label("$I_a$",Ia,NNE); [/asy]$

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 <asy>
 // scale the image
-size(4inch);
+unitsize(108);
-// define points
+pair A, B, C, I, L, Ia;
-// pair A
+A = dir(111); B = dir(207); C = dir(333); dot(A); dot(B); dot(C);
-// A =
+draw(A--B--C--cycle);
+draw(circumcircle(A,B,C));
-// dot points
+I = incenter(A,B,C); dot(I);
-// dot(A);
+draw(circumcircle(B,I,C),dashed);
+L = intersectionpoints(circumcircle(A,B,C),A--(A + 100 * (I - A)))[1]; dot(L);
+Ia = intersectionpoints(circumcircle(B,I,C),A--(A + 100 * (I - A)))[1]; dot(Ia);
+draw(A--Ia);
-// define paths
+label("$A$",A,NE);
-// path p
+label("$B$",B,WNW);
-// p =
+label("$C$",C,ENE);
+label("$I$",I,NE);
-// draw paths
+label("$L$",L,NE);
-// draw(p)
+label("$I_a$",Ia,NNE);
-// define labels
-// Label a = Label(string)
-// draw labels
-// label(scale()*a,(x,y))
-draw((-2,0)--(5,0),Arrows);
-dot((3,0),red);
-dot((2,0),green);
-dot((-1,0),blue);
 </asy>

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User:5849206328x: Difference between revisions

Revision as of 18:33, 2 July 2014