aleezaimran07 aleezaimran07

19-01-2024
Mathematics

Answered

A, B and C are three points on a horizontal plane. The point C is due South of the point B and the point A is due West of the point B. A vertical pole, BD, at B is supported by two cables, AD and CD. BD = 30 m, BC = 45 m and angle DAB = 40° Find, giving your answers to 3 significant figures:
(a) the length, in m, of the cable AD,

(b) the angle of elevation of the point D from the point C,

(c) the bearing of the point A from the point C.

A B and C are three points on a horizontal plane The point C is due South of the point B and the point A is due West of the point B A vertical pole BD at B is s class=

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