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On a 1:1,000,000 chart, a distance of 54 NM (100 km) on the ground would measure:

A

1 cm

B

5 cm

C

10 cm

Correct
D

20 cm

Explanation

At 1:1,000,000, 1 cm = 10 km. So 100 km = 10 cm on the chart.

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