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Two ships are sailing from the pier. X ship is sailing due east and the O ship is sailing 43 degrees South of East. After an hour, X ship had traveled 115kms and O ship has traveled 98kms. How far apart are they?

thanks. Could u pls provide a solution on how u solved Thank u very much..

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Distance between the location after one hour of Ship X and O that traveled to different direction 43 degrees from the pier (origin).

The sketch is a triangle, where the angle 43 degrees is between two sides (distances) 115 km and 98 km.

Notice that the angle is between two sides (if you sketch it, it's an angle depression)

Use Law of Cosines to find the third side (distance)

Let a and b are the sides, and cosine theta = 43 degrees.