What Side Lengths CAN Be Constructed With Straightedge and Compass ONLY?
Assuming segments of lengths a and b are constructible (and given below), construct a segment with length a+b.
Assuming segments of lengths a and b are constructible (and given below), construct a segment with length a-b.
Assuming segments of lengths a and b are constructible (and given below), construct a segment with length ab.
Assuming segments of lengths a and b are constructible (and given below), construct a segment with length a/b.
Assuming a segment of length a is constructible (and given below), construct a segment with length .