IB skill practice

Analyse spherical trigonometry contexts

Interpret distances, bearings, and angles on spherical models.

Paper 1, Paper 2 5 marks Difficulty 5

Analyse spherical trigonometry contexts - context interpretation

On a sphere of radius \(5\), a great-circle arc has central angle \(30^\circ\). Enter the arc length divided by \(\pi\).

Worked practice: result and interpretation

Calculate the requested result first, then choose the interpretation that follows from it.