Mathematics, 18.11.2020 01:50 rodderickjack
A flag is posted on the top of a castle. A knight on the ground standing 30\,\text{m}30m30, start text, m, end text away from the castle notices that the angles of elevation of the top of the castle and the top of the flag are 30\degree30°30, degree and 45\degree45°45, degree respectively. How long is the flag?
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A flag is posted on the top of a castle. A knight on the ground standing 30\,\text{m}30m30, start te...
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