: [4; 0] B [3; 20] C [5; 0].

:

  1. ;

  2. D, ;

  3. , ;

:

) :

[image],

X1, Y1 ,

X2, Y2 .

[image]

[image]

[image]

) D , :

    1. , :

[image],


K1

K2 D

[image]

    1. k2, [5; 0]:

[image],

X1, Y1 ,

[image]

[image]

C) , :

  1. , :

[image],

K1

K2

[image]

  1. k2, [5; 0]:

[image],

X1, Y1 ,

[image]

[image]

D) :

[image]

  1. :

[image],

X1, Y1 ,

X2, Y2 ,

[image]

  1. D :

[image],

X0, Y0 ,

, B, C (++ ).

[image] [image]

[image]

[image]

  1. S:

[image]





1.

2.

3.

4.

5.

6.

7.

8.

9.

10.

11.

12.

13.

14.

15.

,