Answer:
LP = 8 because LP + PR = LR according to the Segment Addition Postulate, and 8 + 4 = 12 using substitution.
I took the quiz :)
The fourth one.
Explanation:
LR = 12, and LP = 7. Subtracting the two will give you the length of PR, which is 5.
1.6m questions
2.0m answers