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Mathematics
Mathematics
Problem
A circular park of radius
21
m
21\,\text{m}
21
m
has a sector cut out that subtends
60
∘
60^{\circ}
6
0
∘
at the centre. Find the area of the remaining part of the park. (Take
π
=
22
7
\pi = \dfrac{22}{7}
π
=
7
22
.) a)
924
m
2
924\,\text{m}^2
924
m
2
b)
1346
m
2
1346\,\text{m}^2
1346
m
2
c)
1155
m
2
1155\,\text{m}^2
1155
m
2
d)
231
m
2
231\,\text{m}^2
231
m
2
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