This question is unclear, I don't understand and it doesn't ask the question.
a is the best way to find it if there is points involved so keep that in mind
Answer:
482 feet tall
Step-by-step explanation:
<em>x = third building</em>
<em>x + 65 = first building</em>
<em>x + 34 = second building</em>
<em />
x + 65 + x + 34 + x = 1350 feet
3x + 99 = 1350
3x = 1,251
x = 417
first building = x + 65
(417) + 65 = 482 feet
first building = 482 feet