A circular park of radius has a sector cut out that subtends at the centre

MATHEMATICS · Single correct · CBSE · Mathematics · Areas Related to Circles · Areas Related to Circles

Problem

A circular park of radius

21\,\text{m}

has a sector cut out that subtends

60^{\circ}

at the centre. Find the area of the remaining part of the park. (Take

\pi = \dfrac{22}{7}

.) (a)

924\,\text{m}^2

(b)

1346\,\text{m}^2

(c)

1155\,\text{m}^2

(d)

231\,\text{m}^2