3.4: Parallel lines and the triangle angle-sum theorem Flashcards
1
Q
equiangular triangle
A
all angles are congruent
2
Q
acute triangle
A
all angles acute
3
Q
right triangle
A
one right angle
4
Q
obtuse triangle
A
one obtuse angle
5
Q
equilateral triangle
A
all sides congruent
6
Q
isosceles triangle
A
at least 2 sides congruent
7
Q
scalene triangle
A
no sides congruent
8
Q
exterior angle of a polygon
A
an angle formed by a side and an extension of an adjacent side
9
Q
remote interior angles
A
2 nonadjacent interior angles
