Ranga starts from his house to wards south and walks 60 m then turns towards east and walks 40 m and turns towards north and walks 30 m and stops. How far 'is he away from his house?

Options

A. 30 m
B. 40 m
C. 50 m
D. 35 m

Answer

C

Explanation

Required distance

` = AD = sqrt((AE)^(2) + (DE)^(2)) `
` = sqrt((30)^(2) + (40)^(2))`
` = sqrt( 9000 + 1600)`
` = sqrt(2500) = 50m`