Question: 7. 6i and I5 are perpendicular. Explain why lii + bl = Id - 5|. 8. A boat needs to cross a river from point

7. 6i and I5 are perpendicular. Explain why lii + bl

7. 6i and I5 are perpendicular. Explain why lii + bl = Id - 5|. 8. A boat needs to cross a river from point A III-II.\"- to point B. The boat can travel 10 km/h relative to the water. The current is owing at 10 km/h. Sketching a vector diagram for the problem in the provided grid. Use the embedded protractor to approximately measure the heading angle the captain should set to reach point B. [2] scale

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