Asurveyor standing w 30° of a tower measures the angle of elevation of the top of the tower 44° 19'. from a position e 28° from the tower the elevation to the top is 36° 43'. calculate the height of the tower if the distance between the two observations is 120m.

Acompany manufactures large valves, packed in boxes. a shipment consists of 1500 valves packed in 75 boxes. each box has the outer dimensions 1.2 x 0.8 x 1.6 m and the inner dimensions 1.19 x 0.79 x 1.59 m. the boxes are loaded on a vehicle (truck + trailer). the available capacity in the vehicle combination is 140 m3. each valve has a volume of 0.06 m3. - calculate the load factor on the box level (%). - calculate the load factor on the vehicle level (%). - calculate the overall load factor (%).