TUGAS SIG 3

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Nama   : Nurul Afida

NPM   : 21025010003

Kelas   : A025

 

1.      Apa kegunaan dari Sistem Koordinat Geografis dalam SIG (maksimal 30 kata)

Jawaban : sistem koordinat geografis dalam SIG digunakan untuk menetapkan suatu letak titik di bumi yang berdasarkan pada garis lintang dan garis bujur.

 

2.      Ubahlah dari satuan derajat menjadi satuan desimal

a.       7o30’15’’S

b.      112o45’10”T

Jawaban :

a.       7o30’15’’S

= 7o + 30’/60 + 15”/3600

= 7,504167 S

 

b.      112o45’10”T

= 112o + 45’/60 + 10”/3600

= 112,7528 T

 

3.      Ubahlah dari satuan desimal menjadi satuan derajat

a.       8,555 U

b.      95,255 B

Jawaban :

a.       8,555 U = 8o + 0,555o

= 8o + (0,555 x 60)’

= 8o + (33,3)’

= 8o + 33’ + 0,3’

= 8o + 33’ + (0,3 x 60)’’

= 8o + 33’ + 18”

= 8o33’18” U

c.       95,255 B = 95o + 0,255o

= 95o + (0,255 x 60)’

= 95o + (15,3)’

= 95o + 15’ + 0,3’

= 95o + 15’ + (0,3 x 60)’’

= 95o + 15’ + 18”

             = 95o15’18” B 

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