interim 1.5 Flashcards
1
Q
acute
A
less than 90 degrees
2
Q
right
A
90 degrees
3
Q
obtuse
A
greater than 90 degrees
4
Q
adjacent
A
coplanar angles, common vertex, side, and do not share interior points
5
Q
protractor postulate
A
sets up system of measurement for angles
6
Q
angle addition postulate
A
if <1 and <2 are adjacent, add them to find the measure of the greater angle around them
7
Q
linear pairs property
A
m<1 + m<2 = 180 degrees
8
Q
congruent angles
A
angle of the same size and shape, shown by curves
9
Q
definition of an angle bisector
A
ray that divides an angle into two congruent angles
