SISTEM KOORDINAT

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NAMA : ARYA WIRA WARDHANA

NPM : 21025010035

MATA KULIAH : SIG

 

SISTEM KOORDINAT

 

PERTANYAAN

1.    1. Apa kegunaan dari Sistem Koordinat Geografis dalam SIG

2.   2. Ubahlah dari satuan derajat menjadi satuan desimal

a.                7o30’15’’ S

b.               112o45’10” T

3.   3.   Ubahlah dari satuan desimal menjadi satuan derajat

            a.         8,555 U

            b.         95,255 B

 

JAWABAN

1.  1. Koordinat geografis merupakan system referensi primer untuk penenttuan lokasi di permukaan bumi, sistem koordinat geografis digunakan untukk menetapkan lokasi geografis untuk sebuahobjek. Sistem koordinat global lintang-bujur merupakan salah satu kerangka tersebut

2.    2. Ubahlah dari satuan derajat menjadi satuan decimal

a. 7030'15" S 

= 7° + (30'/60) + (15"/3600)

= 7° + 0,5 + 0,004

= 7,50417

b. 112045'10" T

= 112° + (45'/60) + (10"/3600) 

= 112° + 0,75 + 0,00278

= 112,75278

3.   3.   Ubahlah dari satuan desimal menjadi satuan derajat

a. 8,555 U

= 8°33'18"

b.95,255 B

= 95°15'18"

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