(Q4)Find the mid point of the line segment joining the points (2,7) and(12,-7) .
Answer
Mid point of the line joining the points (x
1
,y
1
) and (x
2
,y
2
)
M(x,y) = (
x
1
+x
2
2
,
y
1
+y
2
2
)
Given points (2,7) (12,-7)
= (
+
2
,
+(-
)
2
)
= (
2
,
2
)
= (
,
)
Clear