At Sea

Two ships are heading towards a lighthouse on the same path, one behind the other. From a height of 42 metre the closer ship is observed at an angle of depression θ where tan θ = ⅘ and the other ship at an angle of depression of 30 degrees. Draw a diagram.

How far are the two ships from each other?

Click here to download the AT SEA worksheet.

Click here for the Notes for Teachers.

Click here to download the AT SEA poster.