3.1.4
3.1.5
3.1.6
Length: 2,1 km
Breadth: 1,9 km
ments:
Formula: Area = Length x Breadth
(1 x 1)
(1)
(1 x 1)
(1)
Why does the demarcated area of the orthophoto map appear
smaller on the topographic map?
Calculate the average gradient from 6 in block B3 to 7 in block B4
on the orthophoto map.
Formula: Average gradient =
vertical interval (VI)
horizontal equivalent (HE)
(5x1)
(5)
Is the average gradient calculated in QUESTION 3.1.5 generally
considered steep or gentle?
(1x1)
(1)
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