Math  /  Geometry

QuestionTwo marinas are located across from each other on a lake, as shown. What is the distance between the two marinas? Round your answer to the nearest metre. a2=b2+c22bccosaa2=28002+30022(280)(300)cos4a=27651.7a=166.3\begin{array}{l} a^{2}=b^{2}+c^{2}-2 b c \cos a \\ a^{2}=2800^{2}+300^{2}-2(280)(300) \cos ^{4} \\ a=\sqrt{27651.7} \\ a=166.3 \end{array}

Studdy Solution
The distance between the two marinas is approximately **209 m**.

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