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QLDGeneral MathematicsQuick questions
Unit 3: Bivariate data, sequences and change, and Earth geometry
Quick questions on Latitude, longitude and great-circle distances (QCE General Mathematics Unit 3)
2short Q&A pairs drawn directly from our worked dot-point answer. For full context and worked exam questions, read the parent dot-point page.
What is distance along a great circle?Show answer
Because a great circle has the Earth's radius, the arc length between two points depends only on the angle between them at the centre. The standard tool for this in General Mathematics is the nautical mile.
What are converting to kilometres?Show answer
One nautical mile is approximately kilometres, so
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