a man on top of a tower 100 m high standing odn the sea shore find the boat coming toward him take 20 min for angel of depression to change from 30 to 60 degree how soon will the boat reach the sea shore
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Answered by
0
Step-by-step explanation:
100 ×20
=2000
and boat reach the sea shore
30+60
=90
Answered by
1
Answer:
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