Shyam walked 6 metres facing towards East, then took a right turn and walked a distance of 9 metres. He then took a left turn and walked a distance of 6 metres. How far is he from the starting point?

Options

A. 15 metres
B. 21 metres
C. 18 metres
D. cannot be determined

Answer

A

Explanation

The journey of Sunny is as shown in Fig.
A = Starting point, D = End point

`thereforeAD=sqrt(AE^2+ED^2)`
`=sqrt(12^2+9^2)=sqrt(144+81)=sqrt(225)=15m`
`therefore` Sunny.s distance from starting point A = AD = 15 m.