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Angles of elevation and depression Trigonometry Angles of elevation and depression 1. From a point 65m from the foot of a chimney, the angle of elevation of the top of the chimney is 52º. Find the height of the chimney. 52º 65m Angles of elevation and depression 2. From the top of a cliff, the angle of depression of a boat in the water 85m from the foot of the cliff is 34º. Find the height of the cliff. 34º cliff boat 85 metres Angles of elevation and depression 3. From a point 44m away from the foot of a tower, the angle of elevation of the top of the tower is 64º. Find the height of the tower. T O W E R 64º 44 metres Angles of elevation and depression 4. A pupil is 2 meters tall. He walks 30 meters away from the High School main building. The angle of elevation of the top of the building is 29º. 2m Find the height of the building. 29º 30 metres Angles of elevation and depression 33º 5. A cliff is 200m high. The angles of depression from the top of the cliff of two boats at boat boat sea are 1 2 29º and 33º respectively. How far apart are the boats. 29º C L I F F F 200 m