Map Area definiton Flashcards
What is the area of the square?
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Area = 1 cm * 1 cm
= 12 cm2
If the scale is 1 : r
What is the actual area?
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Area = r cm * r cm
= r2 cm2
If the scale is 1 : r
What is the area scale?
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Map Scale : Area Scale
1 : r = 12 : r2
If the scale is 1 : 200 000
1 cm : ? cm
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Map scale = 1 : 200 000
= 1 cm : 200 000 cm
If the scale is 1 : 200 000
1 cm : ? km
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1 cm : 200 000 cm
1 cm : 200 000 / 100 000 km
1 cm : 2 km
If the scale is 1 : 200 000
1 cm2 : ? km2
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1 cm : 2 km
12 cm2 : 22 km2
1 cm2 : 4 km2
If the scale is 1 : 200 000
What is the actual area of 17.6 cm2 in km2?
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1 cm2 : 4 km2
- 6 cm2 : 4 * 17.6 km2
- 6 cm2 : 70.4 km2
What are the steps to find the actual area?
Step 1 : Find the map area
Step 2 : Convert the scale to include the units
If needed to find actual in km2, convert to km
Step 3 : Find the Area scale
Step 4 : Use the area scale to find the actual area