Name 3 collinear points.
S, Q, R
T, Q, R
S, Q, P
P, Q, R
Q is the midpoint of PR.
PQ = 6x – 7 and QR = 5x + 1.
Find the length of PR.
8
16
41
82
If ∠ABC= 103⁰, find m∠ ABD
45
13
57
46