5 Questions
Which shape best describes the earth?
Oblate spheroid
What is the polar diameter of the earth?
23NM
What is the purpose of drawing imaginary lines on the earth's surface for air navigation?
To simplify air navigation
What is a great circle?
A circle that cuts the earth into two equal halves
What is a rhumb line?
A line that cuts all the meridians at the same angle
Test your knowledge of the imaginary lines used in air navigation on the Earth's sphere. Learn about these essential lines and their significance in simplifying air navigation.
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