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*Town A lies 20 km North of town B. Town C lies 13 km West of town A. A small plane flies directly from town B to C. What is the Displacement of the Plane?*

a) 33 km [W 33degrees N]

b) 19 km [W 33degrees N]

c) 24 km [W 57degrees N]

d) 31 km [W 57degrees N]

e)6.6 km [W 40degrees N]

a) 33 km [W 33degrees N]

b) 19 km [W 33degrees N]

c) 24 km [W 57degrees N]

d) 31 km [W 57degrees N]

e)6.6 km [W 40degrees N]

My answer was a).

I got my answer by adding 20 and 13. Is this correct?