geography MCQ #442

The mean radius of Earth in inches is approximately:

geography MCQ #442

  1. Question 1

    Q1. The mean radius of Earth in inches is approximately:

    • A) 210.83 million
    • B) 230.83 million
    • C) 250.83 million
    • D) 290.83 million

    Answer: 250.83 million

    Explanation: Earth's mean radius is approximately 6,371 km; converting to inches (1 km = 39,370 inches) gives roughly 6,371,000 × 39.37 = 250.83 million inches.