Starting from a point, Suraj walked 20 m south, then he turned left and walked 18 m, he again turned left and walked 18 m, then he turned right and walked 10 m. How far and in which direction is he now from the starting point?

A

$$\sqrt{784}$$ m in north

B

$$\sqrt{788}$$ m in south-east

C

$$\sqrt{786}$$ m in south-west

D

$$\sqrt{790}$$ m in north-west