Download Alg2, Section 8.1, ANSWERS - Scholl

Geometry/Algebra 2, Section 8.1 p 507
p 510-11 #3-13, 28-30
1260
3.
2160
4.
2520
5.
3240
6.
7.
n  4 ; It is a quadrilateral.
8.
n  6; It is a hexagon.
9.
n  13; It is a 13-gon.
10.
n  15; It is a 15-gon.
11.
x  117
x  150
12.
x  18.3
13.
28.
The sum of the interior angle measures of the playing field is 540 .
29.
The sum of the interior angle measures of the playing field is 720 .
30.
The measure of each interior angle of the hexagon is 120 .
p 511-2 #14-17, 19-21 and 31
111
14.
15.
66
53
16.
17.
The student thinks that because an octagon has 8 exterior angles while a
hexagon has only 6 exterior angles, the sum of the measures of the 8 angles must be
greater than the sum of the measures of the 6 angles. The sum of the measures of
the exterior angles of any convex n-gon is always 360 .
108
19.
Interior angle:
72
Exterior angle:
160
20.
Interior angle:
20
Exterior angle:
176
21.
Interior angle:
4
Exterior angle:
144
31.
Interior angle:
36
Exterior angle: