Find the length of QR, correct to one decimal place.

The town surveyor has to stake the lot markers for a new public park beside an existing building lot. The engineering department gave the following sketch. Find the length of BC, correct to 1 decimal place.

Find the length of AB, correct to one decimal place.

James travelled on a bearing of \(26^\circ\) from Point A to Point B. He then travelled on a bearing of \(121^\circ\) for 18 kilometres towards Point C, which is East of Point A. Find the size of \(\angle \)ABC.

In \(\Delta ABC, \, AB=10,\,BC=7\) and \(\angle CAB=40^\circ\). 

Find the two possible angles for \(\angle ACB\)

In \(\Delta ABC, \, AB=8,\,BC=12\) and \(\angle CAB=72^\circ\). 

Find, to the nearest degree, \(\angle ACB\)

In \( \Delta ABC\) find the length of \(AB\), correct to one decimal place. 

In \( \Delta ABC\) find the length of \(BC\), correct to one decimal place. 

In \( \Delta ABC\) find the length of \(AB\), correct to one decimal place.