Question: A rocket launched from point L rises vertically to point R. Two radar tracking stations, T and S, form an angle of 68 at L.

A rocket launched from point L rises vertically to point R. Two radar tracking

stations, T and S, form an angle of 68 at L. From S the angle of elevation of the

rocket is 37.5. Also from S, the sight lines to L and T form an angle of 63.7. If

T and S are 40 km apart, determine the height of the rocket to the nearest metre.

A rocket launched from point L rises vertically
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