The angle of elevation 'θ' of the top of a tower at a point on the ground is such that cos θ = \(12\over13\). When the point is moved 288 m towards the tower, the angle of elevation becomes 'Ø' in such a way that sin ϕ = \(3\over5\). The height (in m) of the tower is:
1
275
2
270
3
240
4
248