Question

9. A man walks 20 m at an angle 60° north of east.
How far towards east has he travelled?
(a) 10m (b) 20 m (c) 20/3 m (d) 103 m​

Answer 1

let a man walks 20m to north such that ON = 20m, and angle NEO=60' then

In triangle NOE,

tan60 = ON/OE

_/3 = 20/OE

OE = 20/_/3 ANS