2009 · Q23
What is the angle subtended at the centre of a circle of radius 8 m after traversing 4π m along its circumference?
Elementary MathematicsTrigonometry
- Aπ/3
- Bπ/2
- C2 π/3
- D3 π/4
Explanation
Angle = arc/radius = 4π/8 = π/2.
What is the angle subtended at the centre of a circle of radius 8 m after traversing 4π m along its circumference?
Explanation
Angle = arc/radius = 4π/8 = π/2.