Answer:

geom

Answer	Crossword Clue
GEOM	Math subj.
GEOM	Subj. for squares?
GEOM	H.S. class

GEOM	Math branch, briefly
GEOM	Trig. prerequisite
GEOM	HS math course
GEOM	Euclid's subj.
GEOM	Alg. follower, usually
GEOM	Where figs. are studied
GEOM	Subj. for Euclid
GEOM	High-school subj.

GEOM	HS class
GEOM	Math class subj.
GEOM	Branch of mathematics: Abbr.
GEOM	School subject: Abbr.
GEOM	School course: Abbr.
GEOM	High school course: Abbr.
GEOM	Math branch
GEOM	Branch of math: Abbr.

GEOM	School subj.
GEOM	H.S. subject
GEOM	Branch of math.
GEOM	Euclid's element?: Abbr.
GEOM	Subj. with circles and such
GEOM	Euclidean subj.
GEOM	Points are discussed in it: Abbr.
GEOM	Math subj. with angles

GEOM	Study of figures: Abbr.
GEOM	Math. class
GEOM	Math subj. with proofs
GEOM	HS subj.
GEOM	H.S. math class
GEOM	A branch of math.