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From a ship C, a lighthouse A is 20km away on a bearing of 060°,while a lighthouse B is 30km on a bearing of 300°. Calculate the direct distance between the light houses to 3 sf.
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Jun 30, 2021
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Mathematics Form 1
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anony mous
From a ship C, a lighthouse A is 20km away on a bearing of 060°,while a lighthouse B is 30km on a bearing of 300°. Calculate the direct distance between the light houses to 3 sf.
scale drawing
bearings distance and locating points
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Jun 30, 2021
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anony mous
selected
Jan 30, 2023
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easyadmin
Best answer
BA =√30
2
+20
2
−2×30×20×Cos 120)
BA=√1900
BA=43.6km
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