A map is drawn to a scale of 1:20,000. If a park has an area of 3 cm² on the map, what is the actual area of the park in km²?

A 0.12 km²

B 0.0012 km²

C 1.2 km²

D 12 km²

✓ Correct Answer: Option A

Scale 1:20,000 means 1 cm on map represents 20,000 cm actual. For area, 1 cm² on map represents (20,000 cm)² actual = 400,000,000 cm². Converting to km²: 1 km = 100,000 cm, so 1 km² = 10^10 cm². Thus, 1 cm² map = 0.04 km² actual. For 3 cm², actual area = 3 * 0.04 = 0.12 km².

💡 Why is A) the correct answer?

The correct answer to the question "A map is drawn to a scale of 1:20,000. If a park has an area of 3 cm² on the map, what is the actual area of the park in km²?" is Option A: 0.12 km².

The other options — B) 0.0012 km², C) 1.2 km², D) 12 km² — are incorrect for this GMAT Exam Prep question. As explained above: Scale 1:20,000 means 1 cm on map represents 20,000 cm actual. For area, 1 cm² on map represents (20,000 cm)² actual = 400,000,000 cm². Converting to km²: 1 km = 100,000 cm, so 1 km² = 10^10 cm². Thus…

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A map is drawn to a scale of 1:20,000. If a park has an area of 3 cm² on the map, what is the actual area of the park in km²?

✓ Correct Answer: Option A

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