The answer is True. In geometry, perpendicular lines are defined as two lines that meet or intersect each other at right angles (90°).
Answer: The the speed of elevators is 22.55.
Explanation:
It is given that observation deck of the willis tower in Chicago Illinois is 1353 feet above the ground elevators lift visitors to that level in 60 seconds.
The speed is the change in distance with respect to time.

From the given information the total distance is 1353 and the total time is 60 seconds. So by the above formula we get,


Therefore, the speed of elevators is 22.55.
This is not my work but i hope this can help you with your problem
https://answers.yahoo.com/question/index?qid=20120518194118AAhi738
Answer:
each tube costs $1.5 so put it the point in between 1 and 2
thank you
Step-by-step explanation: