Calculating Area (Grade 11 NSC Matric Geography): Flashcards
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What area represents in geography
What area represents in geography
Surface space occupied by a geographical feature
Regular features definition
Regular features definition
Square/rectangular shapes, typically human-made structures
Irregular features definition
Irregular features definition
Natural features not following regular geometric patterns
Formula for area of regular features
Formula for area of regular features
Area = Length × Breadth (A = L × B)
1 hectare equals
1 hectare equals
10,000 m² (100m × 100m)
Method for irregular feature areas
Method for irregular feature areas
Grid overlay method
How to handle partially filled grid squares
How to handle partially filled grid squares
Divide total by 2 or estimate equivalent complete squares
Area 1cm × 1cm grid square represents (typical scale)
Area 1cm × 1cm grid square represents (typical scale)
0.25 km²
Appropriate units for expressing area
Appropriate units for expressing area
m², km², or hectares (ha)
When to use length × breadth formula
When to use length × breadth formula
For regular features