Asked by anonymous

A man walks 5km south and then 3km in the direction 60degrees west of south.His distance from the starting point is?

6 years ago

Answered by bobpursley

Law of Cosines:
distance^2=5^2+3^2-2*5*3*cos120deg.

6 years ago

Answered by Olurin

Y is it 120 degrees

5 years ago

Answered by Elijah

wrong answer

4 years ago

Answered by Elijah

I'm confused on the working

4 years ago

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