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Mathematics
Mathematics
Problem
The incentre of triangle with vertices
(
1
,
3
)
,
(
0
,
0
)
(1, \sqrt{3}), (0, 0)
(
1
,
3
)
,
(
0
,
0
)
and
(
2
,
0
)
(2, 0)
(
2
,
0
)
is a.
(
1
,
3
2
)
\left(1, \frac{\sqrt{3}}{2}\right)
(
1
,
2
3
)
b.
(
2
3
,
1
3
)
\left(\frac{2}{3}, \frac{1}{\sqrt{3}}\right)
(
3
2
,
3
1
)
c.
(
2
3
,
3
3
)
\left(\frac{2}{3}, \frac{\sqrt{3}}{3}\right)
(
3
2
,
3
3
)
d.
(
1
,
1
3
)
\left(1, \frac{1}{\sqrt{3}}\right)
(
1
,
3
1
)
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