please help me on this for brainliest

Answer:
d = 24; the distance of the third leg is 24 km
Step-by-step explanation:
In the word problem, it tells you to figure out the distance with the equation "36 + d = 60".
1. d = 60 -36
2. d = 24
Answer: The answer is D= 24
Step-by-step explanation:
60 - 36= 24