Andrew is writing a coordinate proof to show that triangle formed by connecting the midpoints of the sides of an isosceles triangle is itself an isosceles triangle. He starts by assigning coordinates as given
D2a, 26)
50.0
R Fla )
Enter the answers in the boxes to complete the coordinate proof.
Pis the midpoint of DE. Therefore, the coordinates of Pare (
7.b).
Q is the midpoint of DF. Therefore, the coordinates of Q are (3a,
Ris the midpoint of EF . Therefore, the coordinates of Rare
The length of