Nhận biết (M1)

skier skis 2.80 km in the direction west of south, then 7.40 km in the direction north of east, and finally 3.30 km in the direction south of west. How far is she from the starting point?

• A.

  2.80 km

• B.

  1.45 km

• C.

  2.00 km

• D.

  3.00 km