Answer:
12 units
Explanation:
Step 1. Find the distance between R(-1, 4) and S(5, 4)
Answer: 6
Reason: from -1 to 5, it’s 6 units.
Step 2. Find the distance between S(5, 4) and T(5, -2)
Answer: 6
Reason: from -2 to 4, it’s 6 units
Step 3. Add the distance between R to S and S to T.
Answer: 12 units
Reason: R to S = 6 units. S to T = 6 units.
6 + 6 = 12 units