1994 AJHSME Problem 4
Source:
July 9, 2011
rotation
Problem Statement
Which of the following represents the result when the figure shown below is rotated clockwise about its center?[asy]
unitsize(6);
draw(circle((0,0),5));
draw((-1,2.5)--(1,2.5)--(0,2.5+sqrt(3))--cycle);
draw(circle((-2.5,-1.5),1));
draw((1.5,-1)--(3,0)--(4,-1.5)--(2.5,-2.5)--cycle);
[/asy][asy]
unitsize(6);
for (int i = 0; i < 5; ++i)
{
draw(circle((12*i,0),5));
}
draw((-1,2.5)--(1,2.5)--(0,2.5+sqrt(3))--cycle);
draw(circle((-2.5,-1.5),1));
draw((1.5,-1)--(3,0)--(4,-1.5)--(2.5,-2.5)--cycle);
draw((14,-2)--(16,-2)--(15,-2+sqrt(3))--cycle);
draw(circle((12,3),1));
draw((10.5,-1)--(9,0)--(8,-1.5)--(9.5,-2.5)--cycle);
draw((22,-2)--(20,-2)--(21,-2+sqrt(3))--cycle);
draw(circle((27,-1),1));
draw((24,1.5)--(22.75,2.75)--(24,4)--(25.25,2.75)--cycle);
draw((35,2.5)--(37,2.5)--(36,2.5+sqrt(3))--cycle);
draw(circle((39,-1),1));
draw((34.5,-1)--(33,0)--(32,-1.5)--(33.5,-2.5)--cycle);
draw((50,-2)--(52,-2)--(51,-2+sqrt(3))--cycle);
draw(circle((45.5,-1.5),1));
draw((48,1.5)--(46.75,2.75)--(48,4)--(49.25,2.75)--cycle);
label("(A)",(0,5),N);
label("(B)",(12,5),N);
label("(C)",(24,5),N);
label("(D)",(36,5),N);
label("(E)",(48,5),N);
[/asy]