As per your syllabus, what is the length of an arc of a circle of radi…

Question

As per your syllabus, what is the length of an arc of a circle of radius r that subtends an angle of θ degrees at the centre?

Accepted Answer

A. 2πr × (θ/360°)

Arc length = (θ/360°) × full circumference (As per your syllabus, 's generalisation from semicircle / quarter-circle cases).
The other options misstate.

Answer

πr × (θ/180°)²

Answer

2πr/θ

Answer

2πr × (360°/θ)

As per your syllabus, what is the length of an arc of a circle of radius r that subtends an angle of θ degrees at the centre?

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