Lines and Angles Flashcards
Panda p 162-169
1
Q
top of a triangle’s angle
A
vertex, vertices
2
Q
measurement for angles
A
degrees/radians
3
Q
limited from both sides line
A
segment
4
Q
divide to 2 equal pieces (point, line, segment itself)
A
bisector
5
Q
angle > 90°
A
obtuse
6
Q
angle < 90°
A
acute
7
Q
angle = 90°
A
right
8
Q
angle = 180°
A
straight
9
Q
same size, same shape but not identical (vertical angles, for example)
A
congruent
10
Q
sum of angles on a line
A
180°
11
Q
angles on a line are
A
supplementary
12
Q
the line intersecting parallel ones
A
transversal
13
Q
180° in radians
A
n
14
Q
x degrees to radians
A
x * n/180
15
Q
x radians to degrees
A
x * 180/n
