Question

10. If A(3,-2), B(7,4) and C(5,-4) are the vertices of ABC. If P and Q are the mid points of AB and AC respectively, find the mid point R of PQ.​

Answer 1

Using the formula of midpoint:

x=

2

x

1

+x

2

;y=

2

y

1

+y

2

For Point M: x=

2

−3−1

=−2;y=

2

2−4

=−1=(−2,−1)

For Point N:x=

2

−3+5

=1;y=

2

2+2

=2=(1,2)