Cross Rowe
07/21/2023 · High School
A helicopter leaves a heliport A and flies 2.4 km on a bearing of \( 154^{\circ} \) to a checkpoint B . It then flies due east to its base \( C \). If the bearing of C from A is \( 112^{\circ} \) find the distances \( A C \) and \( B C \). The helicopter flies at a constant speed throughout and takes 5 minutes to fly from \( A \) to \( C \). Find its speed
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Distance \( AC \approx 5.76 \text{ km} \), Distance \( BC \approx 4.288 \text{ km} \), Speed \( \approx 69.12 \text{ km/h} \)
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