23-02-2016
Mathematics

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An aircraft is vertically above a point which is 10 km west and 15 km north from a control tower. If the aircraft is 4000 m above the ground, how far is it

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darkmyst darkmyst

23-02-2016

4000m = 4 km
---
D = sqrt(10^2 + 15^2 + 4^2) = sqrt(341) km

I hope this helps! :3

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