Answer:

isogon

Answer	Crossword Clue
ISOGON	Equiangular geometric figure
ISOGON	Geometric figure with equal angles
ISOGON	Rectangle, for one

ISOGON	Equiangular figure
ISOGON	Equal-angled figure
ISOGON	Equilateral triangle, e.g.
ISOGON	Square, e.g.
ISOGON	Equal-angled geometric figure
ISOGON	Equiangular geometrical shape
ISOGON	Geometric figure with all equal angles
ISOGON	Rectangle or square

ISOGON	Equiangular geometric shape
ISOGON	Plane figure
ISOGON	Equiangular shape
ISOGON	Figure with equal angles