Identify the area enclosed by Eastings 81 and 83 and Northings 36 and 38.

[1 mark]

8 sq. km

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8 sq. m

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9 sq. km

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9 sq. m

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Solution

The correct option is C 9 sq. km

Scale: 1 cm = 1.5 km

Area of each grid:
1 = 1 x 1 = 1 cm²

Actual area on-ground:
1 x 1.5 x 1.5 km² = 2.25 km²

Total area enclosed
= Grid (1) + Grid (2) + Grid (3) + Grid (4)
= 2.25 km² + 2.25 km² + 2.25 km² + 2.25 km²
= 9 km²

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