6RWKHH[WHULRUDQJOHLV7KXV
N
N
N
N
7KHSRO\JRQKDVVLGHV
DVDOZD\V
7KHH[WHULRUDQJOHZRXOGEH6R
13.3.
N
N
N
N
That is, the polygon has 13.3 sides. This is absurd. There can be no regular polygon with interior
DQJOH
- D
Figure S.4.2
E
An elongated stop sign. All angles are 135°.
Figure S.4.3
1XPEHURIVLGHV 6 36 4
Measure of an exterior angle 18 1
Measure of an interior angle 179