(Q9) Find the area of the triangle whose vertices are (6,-6) , (3,-7) and (3,3).
Given The vertices of the triangle are (6,-6) , (3,-7) and (3,3),
Area of a triangle,
∆ =
1
2
|x
1
(y
2
- y
3
)+x
2
(y
3
- y
1
)+x
3
(y
1
- y
2
|
∆ =
1
2
|6(-
-
)+3(
+
)+3(-
+
)|
=
1
2
|-
| =
2
=
units
Clear