3. A person in a canoe paddles North along a river at 9 km/h. A current in the river flows from West to East. An observer on the shore records the velocity of the boat as 10.5 km/h North-East. a) Use the "tip to tail" method to draw the 3 vectors below, including the resultant vector: VR. Use the observer as the "origin". (3 marks) River Observer Shore b) Find the magnitude of the river current (Vc) in km/h. Round your answer to the nearest km/h