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morningstar
Questions and answers by visitors named
morningstar
Questions (2)
from the top of a tower, the angle of depression of a boat is 30degree,if the toweR is20meter high how far is th boat from the
2 answers
532 views
i have already postad but i need the it is ugently
1 answer
263 views
Answers (1)
4/4 thanks
