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Unformatted text preview: the speed of the car in km/h? 3. Find the perimeter of an isosceles triangle whose base is 40 cm and whose base angle is 70 degrees. 4. A tower 150 m high is situated at the top of a hill. At a point 650 m down the hill the angle between the surface of the hill and the line of sight to the top of the tower is 12 degrees. Find the inclination of the hill to a horizontal plane....
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- Spring '10