Environmental Engineering Reference
In-Depth Information
S1
S1
S2
h
h
a
S2
Area =
S
1
3
S
2
Area = ½ a
3
h
Area = ½ (
S
1
+
S
2
)
3
h
r
A
2
A
1
A
3
2
Area =
A
1
+
A
2
+
A
3
Area = 3.14
3
r
Fig. A.3. Formulae for calculating areas of common geometric configurations.
usually not required for calculating fertilizer seed or pesticide applica-
tions. Irregular shapes can be simplified, individual areas calculated and
totalled.
