Орёл Никита ДЗ1(Asymptote) рисунок 2

import geometry;
import patterns;
//import graph;
//import three;
defaultpen(fontsize(11pt));
dotfactor=5;
//labelmargin=0.25;
size(9cm,0);
add ("hatch",hatch (1.2mm , black ));

point A,B,C,A1,B1,C1;
C=(0,0); A = 3*dir(0);
B=2.5*dir(60);
A1 = C + 1/3*(B-C);
B1 = A + 1/3*(C-A);
C1=  B + 1/3*(A-B);


dot(C); dot(A); dot(B);
dot(A1); dot(B1); dot(C1);

draw(C--A--B--cycle);
draw(A1--C1--B1--cycle);

filldraw(A1--C1--B1--cycle,pattern ("hatch"));


label("$C$",C,SW); label("$A$",A,SE); label("$B$",B,N);
label("$A_1$",A1,W); label("$B_1$",B1,S); label("$C_1$",C1,E);