The correct answers are B) Trisecting any given angle and D) Doubling a square.
The following was a construction that was never accomplished by the Greeks using only a compass and straightedge: Trisecting any given angle and doubling a square.
For their resistance materials, the majesty of their buildings, the precision of the constructions, and the beautiful details, ancient Greek architecture is renown as one of the most impressive and beautiful forms of the architecture of all the times. These elements can be appreciated in public buildings, theaters, and temples. Visiting some archeological ruins in Greece can be a great experience to admire the rest of this important ancient civilization.
