All angles are congruent
Equiangular
All acute angles
Acute
On right angle
Right
on obtuse angle
Obtuse
All sides are congruent
Equilateral
At least 2 sides congruent
isosceles
Is an angles formed by a side & an extension of & adjacent angle
exterior angles of a polygon
for each extension angle of a triangle, the 2 nonadjacent interior angles
Remote interior angles