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The other two problems from antiquity are: <br> "'''Duplicating the cube'''"
The other two problems from antiquity are: <br> "'''Duplicating the cube'''"
:Construct the length of the side of a cube that would have half the volume of a cube of a given side, effectively constructing the number cube root of 2, and
:Construct the length of the side of a cube that would have half the volume of a cube of a given size, effectively constructing the number cube root of 2, and
"'''Trisecting an angle'''"
"'''Trisecting an angle'''"
:Construct an angle equal to one third of a given arbitrary angle, using only two tools: an unmarked straightedge, and a compass.
:Construct an angle equal to one third of a given arbitrary angle, using only two tools: an unmarked straightedge, and a compass.