4° +90' -120" = ....°
90' = (90'/60') × 1° = 1,5°
120" = (120"/3600") × 1° = 0,3°
jadi,
4° + 1,5° - 0,3° = 5,2°
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4° +90' -120" = ....°
90' = (90'/60') × 1° = 1,5°
120" = (120"/3600") × 1° = 0,3°
jadi,
4° + 1,5° - 0,3° = 5,2°
semoga membantu