Answer:
3.A: When you want to state that they are congruent.
3.B: When you want to state that their lengths are equal to each other.
3.C: 2nd and 3rd
3.D: Point P, point R, point S.
3.E: PS = 13units
4.A: KL = 35 - 14 = 21 units
4.B: midpoint
4.C: JL = 135/3 = 45 units
Explanation: