Answer:
A) Fugue - This is a musical term found in Baroque music. A fugue is a musical composition with a complex polyphonic structure, where multiple voices imitate and develop a theme.
B) Allegro - This is a musical term commonly used in various periods of music, including the Baroque period. It is used to describe a tempo marking indicating a fast and lively tempo.
C) Sonata - This is a musical term found in Baroque music and other musical periods. A sonata is a solo or small ensemble piece of music, often characterized by a specific structure, and was a crucial genre during the Baroque era.
D) Hypotenuse - This is a nonmusical related term referring to the longest or opposite side of a right angle triangle.