3.4: parallel lines and triangle angle sum theorem Flashcards
1
Q
Exterior angle of a polygon.
A
Angle formed by a side and an extension of an adjacent side.
2
Q
Equiangular triangle
A
All angles are congruent.
3
Q
Scalene Triangle
A
No sides are congruent.
4
Q
Right triangle
A
One right triangle.
5
Q
Obtuse Triangle
A
One Obtuse angle.
6
Q
Equilateral triangle
A
All sides are congruent.
7
Q
Isosceles triangle
A
At least two sides are congruent.
8
Q
Acute Triangle
A
All angles acute.
9
Q
Remote interior angles
A
Two nonadjacent interior angles.
