35
(a) Jarak AB =
=
AC
2
+
BC
2
4
2
+
4
2
= 5.7 units
(b) Area DEF =
(² × 2)
(² × 3)
(7 × 2)
(² × 2)
=
+
+
-
2
2
2
2
= 2 + 3 +7 – 2
= 10 units²
Gambar 2.8 Pengukuran Vektor GIS: (a) Jarak; (b) Area
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