Interior and exterior angles of polygons Flashcards
0
Q
one ext angle
A
360/n (n=number of sides)
1
Q
Sum of Ext angles
A
360
2
Q
one int angle
A
180 (n-2)/ n
3
Q
sum of int angles
A
180(n-2)
4
Q
sum of int angle for triangle
A
180
5
Q
sum of int for quadrilateral
A
360
6
Q
pentagon
A
540
7
Q
hexagon
A
720
8
Q
octagon
A
1080
9
Q
nonagon
A
1260
10
Q
decagon
A
1440
11
Q
The interior and exterior angles are…
a) complementary
b) Parallel
c) supplementary
d) always equal
A
c) supplementary
12
Q
What is the sum of the exterior angles for a triangle?
a) 180
b) 120
c) 360
d) 60
A
c) 360
13
Q
How many degrees is one interior angle for an 8 sided figure?
a) 1080
b) 6
c) 135
d) 360
A
c) 135
14
Q
The sum of the exterior angles for a square is 360, what is one exterior angle?
a) 20
b) 90
c) 180
d) 360
A
b) 90
