After one hour, we have this diagram:
16 | \
O * - - - * B
You are correct . . .
But information is useless unless it is clear where the angle is located.
There are several methods for indicating the direction.
Here are a few of them.
 Bearing: measured clockwise from due North.
. . .The bearing is: .
 Standard angle: measured CCW from due East.
. . .The standard angle is: .
 Heading: measured East or West of due North or due South.
. . .The heading is: .
The problem should have stated the method of indicating the direction.