NSW OC Test Practice

Problem Statement

Claire is standing at the X in the centre of the grid.

She follows these instructions, one after the other:

(1) Walk 30 metres north.

(2) Walk 20 metres east.

(3) Walk 70 metres south.

(4) Walk 20 metres west.

After this, how far is Claire from her starting position?

0 meters

4 metres

30 metres

40 metres

140 metres