AppInventor: Menghitung Jarak dan Arah dari GPS

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Sumber: https://sites.google.com/site/appinventor/distance-based-on-lat-long 

distance = sqrt(x^2 + y^2)

Dimana: 

x = 69.1 * (lat2 - lat1)
y = 69.1 * (lon2 - lon1) * cos(lat1/57.3)


Referensi

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