Bearing (Revision)

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A boy walks 6km from a point P to a point Q on a
bearing of 065°. He then walks to a point R , a distance of 13km , on a bearing of 146º .
( i ) Sketch the diagram of his movement .
( ii ) Calculate , correct to the nearest kilometer , the distance PR .

Two men P and Q set off from a base camp R , pros
pecting for oil . P moves 20km on a bearing of 205°
and Q moves 15km on a bearing of 060° . Calculate
( a ) distance of Q from P. ( Give your answer in each case correct to the nearest whole number)
( b ) bearing of Q from P. (Give your answer in 3-figure bearing).