3.4: Parallel Lines & The Triangle-Angle Sum Theorem

Question 1

all angles are congruent

Answer 1

Equiangular

Question 2

all angles are smaller than 90 degrees

Answer 2

Acute

Question 3

all angles have a measure of 90 degrees

Answer 3

Right

Question 4

all angles are larger than 90 degrees

Answer 4

Obtuse

Question 5

all sides are congruent

Answer 5

Equilateral

Question 6

At least two sides are congruent

Answer 6

Isosceles

Question 7

no sides are congruent

Answer 7

Scalene

Question 8

an angle formed by a side and an extension of an adjacent side

Answer 8

Exterior Angle of a Polygon

Question 9

For each exterior angle of a triangle, the two nonadjacent interior angles are…

Answer 9

Remote Interior Angles