Example 7 Two ships A and B leave a port P at the same
time. A travels on a bearing of 159° and
travels on a bearing of 215°. After some time,
A is 9km from P and the bearing of B from
A is 256º. Calculate the distance of B from P.
Fig. 5.15 shows the positions of P, A and B.
The arrows at P and A point northwards.
NA
2150​

Arefrigeration system at your company uses temperature sensors fixed to read celsius (°c) values, but the system operators in your control room understand only the fahrenheit scale. you have been asked to make a fahrenheit (°f) label for the high temperature alarm, which is set to ring whenever the system temperature rises above –10°c. what fahrenheit value should you write on the label?