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Mathematics
Mathematics
Problem
A chord of a circle of radius
10
cm
10\,\text{cm}
10
cm
subtends an angle of
120
∘
120^{\circ}
12
0
∘
at the centre. Using
π
=
3.14
\pi=3.14
π
=
3.14
and
sin
120
∘
=
0.866
\sin 120^{\circ}=0.866
sin
12
0
∘
=
0.866
, find the area of the major segment (correct to one decimal place). a)
209.3
cm
2
209.3\,\text{cm}^{2}
209.3
cm
2
b)
61.4
cm
2
61.4\,\text{cm}^{2}
61.4
cm
2
c)
252.6
cm
2
252.6\,\text{cm}^{2}
252.6
cm
2
d)
148.0
cm
2
148.0\,\text{cm}^{2}
148.0
cm
2
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