CPM Homework Help : CCG Problem 7-140

Each problem below gives the endpoints of a segment. Find the coordinates of the midpoint of the segment. If you need help, consult the Math Notes box for this lesson.

$(5,2)$ and $(11,14)$
Step 1(a):
Average the $x$ -coordinates.
$x=\frac{5+11}{2}=8$
Step 2(a):
Average the $y$ -coordinates.
$y=\frac{2+14}{2}=8$
Answer (a):
The midpoint is at $(8,8)$ .

$(3,8)$ and $(10,4)$
Hint (b):
Follow the same procedures to find the midpoints of the other segment.