(a) The triangle ABC has sides AB = 17m, BC = 12m and AC = 10m. Calculate the ;
(i) Largest angle of the triangle;
(ii) Area of the triangle.
(b) From a point T on a horizontal ground, the angle of elevation of the top R of a tower RS, 38 m high, is 63°. Calculate, correct to the nearest metre, the distance between T and S .