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Mathematics
Mathematics
Problem
The vertices of a triangle are
(
2
,
5
)
(2,5)
(
2
,
5
)
,
(
−
1
,
1
)
(-1,1)
(
−
1
,
1
)
and
(
4
,
−
2
)
(4,-2)
(
4
,
−
2
)
. What is its area? a)
29
4
\dfrac{29}{4}
4
29
b)
29
29
29
c)
29
2
\dfrac{29}{2}
2
29
d)
21
2
\dfrac{21}{2}
2
21
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