21. Draw and label two different triangles that would have the following sine value: sin x = - Label angle x also 22. Determine the direction (as a bearing), correct to the nearest degree and the magnitude of the resultant vector to represent the displacement of a ship that travels 6km south, then 8km west. Diagram necessary. 23. A grain farmer wants to construct a silo that has a height of 24.5m and a diameter of 8m. As you can see from the diagram, a silo is composed of a cylinder and a semi-sphere. Determine the amount of sheet metal needed, correct to the nearest tenth of a square metre