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Answer:
Alright, let's tackle these questions one by one.
For 6-7, in triangle FUN, we know that the angle measures add up to 180°, so the third angle, U, must be 40° (180° - 65° - 75°). Now, we know that the side opposite the largest angle is the largest side, so the longest side is the one opposite angle O, which is 75°.
For the shortest side, we can use the Law of Cosines:
a^2 = b^2 + c^2 - 2bc cos A