3.4-Parallel Lines and the Triangles Angle-Sum Theorem Flashcards
1
Q
Exterior Angle of a Polygon
A
an angle formed by a side and an extension of an adjacent side
2
Q
Scalene Triangle
A
no sides are congruent
3
Q
Obtuse Triangle
A
one obtuse angle
4
Q
Isosceles Triangle
A
at least two sides are congruent
5
Q
Equiangular Triangle
A
all angles are congruent
6
Q
Right Triangle
A
one right angle
7
Q
Equilateral Triangle
A
all sides congruent
8
Q
Acute Triangle
A
all angles are acute
9
Q
Remote Interior Angles
A
the two nonadjacent interior angles
