itcaiot r thè top andD JullnOuted on the building) are 60° and 45 respectively. FindurmOuhted on thethe height of the flagstaff.As observed from the top of a lighthouse 100 m high above sea level, the angle of depressionof a ship sailing directly towards it changes from 30 to 45o. Find the distance travelled by theship during the period of observation.35. A ladder of length 4 m makes an angle of 30 with tha flo

itcaiot r thè top andD JullnOuted on the building) are 60° and 45 re

1.	itcaiot r thè top andD JullnOuted on the building) are 60° and 45 respectively. FindurmOuhted on thethe height of the flagstaff.As observed from the top of a lighthouse 100 m high above sea level, the angle of depressionof a ship sailing directly towards it changes from 30 to 45o. Find the distance travelled by theship during the period of observation.35. A ladder of length 4 m makes an angle of 30 with tha flo
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