3. An aeroplane flies 400 km due west from city A to city then 300 lom north cast to city C. and finally 100 km north to chHow far is it from city A to D? In what direction must the aeroplhad to return directly to city A from city D?

3. An aeroplane flies 400 km due west from city A to city then 300 l

1.	3. An aeroplane flies 400 km due west from city A to city then 300 lom north cast to city C. and finally 100 km north to chHow far is it from city A to D? In what direction must the aeroplhad to return directly to city A from city D?
Answer» tion:First thing first: You are flying form point A ( ORIGIN) West 400 km (point B) and the NORTH East 300 km (point C). Then you are GOING North 100 km (point D); Drop a line from point C to line AB, use SIN(45) = x/300, ==> x = 212.1320344 km or 212 km.

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3. An aeroplane flies 400 km due west from city A to city then 300 lom north cast to city C. and finally 100 km north to chHow far is it from city A to D? In what direction must the aeroplhad to return directly to city A from city D?​

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3. An aeroplane flies 400 km due west from city A to city then 300 lom north cast to city C. and finally 100 km north to chHow far is it from city A to D? In what direction must the aeroplhad to return directly to city A from city D?