Ram walks 2 km to the East, then e turns to South and walks 6 km. He again turns to East and walks 2 km. Then he turns to North and walks 12 km. How far is he from the starting point ?

Options

A. 7 km
B. 7.1 km
C. 7.2 km
D. 7.3 km

Answer

C

Explanation

Required distance
` = AE = sqrt((AF)^(2) + (FE)^(2))`
` = sqrt((4)^(2) + (6)^(2))`
` = sqrt(52)` = 7.2 km