List, in order of size, eight types of geographic places, with an example for each. Start with a
room and end with an ocean. (Hint: A city will
fall somewhere near the middle.

if he does not use open the compass the a width greater than half of po, he will not be able to find the midpoint of the line, without the midpoint of the line, he will not be able to bisect the line.   to find the midpoint of a line the circles drawn with a compass must either intersect or be touching.