A 10 m long ladder is placed against a wall. It is inclined at an angle of 30° at the ground. The distance (in m) of the foot of the ladder from the wall is
7.32
8.66
8.16
8.26
A ship after sailing 12 km towards South from a particular place covered 5 km more towards East. Then, the straightway distance of the ship from that place is
11 km
18 km
13 km
15 km