Two boats leave from Fremantle. One sails to the Wharf at Rottnest Island and the other sails to Cervantes.
The direction each boat sailed is shown in the map below.
Determine the value of `x°` on the map. (2 marks)
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`text(Alternate angles are equal)`
| `60` | `= x + 10` |
| `:.x` | `= 50^@` |