Introduction to Mapwork Calculations (Grade 12 NSC Matric Geography): Flashcards
📚Flashcards
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Practise the cards
10 cards from this deck
Topographic map scale
Topographic map scale
1:50,000
Orthophoto map scale
Orthophoto map scale
1:10,000
1 cm on topographic map (1:50,000) = ? metres
1 cm on topographic map (1:50,000) = ? metres
500 metres
1 cm on topographic map (1:50,000) = ? km
1 cm on topographic map (1:50,000) = ? km
0.5 km
1 cm on orthophoto map (1:10,000) = ? metres
1 cm on orthophoto map (1:10,000) = ? metres
100 metres
1 cm on orthophoto map (1:10,000) = ? km
1 cm on orthophoto map (1:10,000) = ? km
0.1 km
Distance calculation formula (abbreviations)
Distance calculation formula (abbreviations)
AD = MD × S
How to calculate height difference
How to calculate height difference
Subtract smaller height from larger height
Orthophoto scale compared to topographic scale
Orthophoto scale compared to topographic scale
5 times larger
Topographic map: multiply cm by ? for km
Topographic map: multiply cm by ? for km
0.5