Вертолёт 1) (-5; 3), (-3; 5), (6; 5), (10; 3), (10; 1), (9; 0), (-2; 0), (- 5; 3). 2) (-5; 3), (-10; 7), (-3; 5). 3) (5; 0), (5; -1), (6; -2), (8; -2), (9; -2,5), (8; -3), (-3; -3), (- 4; -2,5), (-3; -2), (-1;-2), (-2;-1), (-2; 0). 4) (-12; 5), (-8; 9). 5) (-6; 7), (10; 7). 6) (2; 5), (2; 7). 7) (-1; 1), (-1; 4), (2; 4), (2; 1), (- 1; 1). 8) (5; 5), (5; 2), (10; 2). ​