, . ( , , , ) . , , I- .
.
1. 30 2001 . = 290, : 2612'S 4116'W,
.
.
, , .. 1 = 90. I- I-
:
1 = + 90 = 290 + 90 = 20 1 = - 90 = 290 - 90 = 200.
1- .
1. . " ". | |
2. , . | 1 = 20 = 160SE 1 = 200 = 20SW |
3. -58 ( , .. ). , . 2- . t = 16E | |
4. 4 (.. 1 = 4), . - , ( ) | = 4 x 16 = 64 = 104 |
5. -, . ( W-, , .. W- .) |
2. , , , ..
1 = 1 = 180
I- - .