Question

A ship sails 20km due North and then 35km due East .How far east is it from its starting point?

Answer 1

Use the Pythagoras' Theorem:

A^2 + B^2 = C^2

20^2 + 35^2 = C^2

400+ 1225=1625=C^2

square root of 1625= C = 40.31 km

Answer 2

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