First off! Congratulations to the winners of the contest! As always, much appreciating the support from my followers and friends! The tier list:
(1)
(2)
(3)
(4)
Hoping for more participation next time! Here is the question and solution:
Question
A hot air balloon is floating 150 meters in the air. Two adjacent observers are watching the balloon rise from angles of elevation of 20° and 32°. How far apart are the observers from each other (in meters).
Solution
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