For any circle of radius

MATHEMATICS · Single correct · IB Diploma Programme · Mathematics: Analysis and Approaches · Geometry and Trigonometry · Geometry and Trigonometry

Problem

r

, the ratio of the area of a sector to the length of its arc is (a)

\dfrac{r}{3}

(b)

\dfrac{r}{2}

(c)

r

(d)

\dfrac{r}{2\pi}