25-01-2015
Mathematics

contestada

the bearing of a ship from a lighthouse is 050 work out the bearing of the lighthouse from the ship

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25-01-2015

bearing means there is a rightangled triangle so
we've got an angle of 90°
an angle of 50°
sum triangle is 180
180- (90 + 50 )
= 180 - 140
= 40°

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