Core stretch A crane is represented by vertical tower $AC$, jib $BC=16$ m, and cables $AB$ and

Question

Core stretch

A crane is represented by vertical tower $AC$, jib $BC=16$ m, and cables $AB$ and vertical $BH$. Given $\angle ACB=55^\circ$ and $\angle CAB=105^\circ$, find

$\angle ABH$,[2]
cable length $AB$. [2]

Give non-exact lengths and areas to 3 significant figures, and angles to 1 decimal place.

Accepted Answer

(a) $75^\circ$ (b) $13.6$ m.

Crane tower, jib and cable

Crane tower, jib and cable

Solution:

Solution locked