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Byju's Answer
Standard X
Mathematics
Area of a Triangle Using Coordinate of Vertices
find the area...
Question
find the area of triangle with vertices A (at
1
2
,2at
1
) B(at
2
2
,2at
2
) C(2at
2
3
, 2at
2
)
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Solution
Using
the
formula
,
Area
=
1
2
x
1
y
2
-
y
3
+
x
2
y
3
-
y
1
+
x
3
y
1
-
y
2
=
1
2
at
1
2
2
at
2
-
2
at
3
+
at
2
2
2
at
3
-
2
at
1
+
at
3
2
2
at
1
-
2
at
1
=
a
t
1
2
t
2
-
t
3
+
t
2
2
t
3
-
t
1
+
t
3
2
t
1
-
t
1
Now
you
can
simplify
more
for
your
own
practice
.
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