True or False
1. It is possible for the exterior angles of a regular polygon to measure 30°.
2. It is possible for the interior angles of a regular polygon to measure 145°.
3. Calculate the measure for each exterior angle of a regular nonagon.
a. 20°
b. 40°
c. 140°
d. 1260°
4. Calculate the measure for each interior angle of a regular 15-gon.
a. 12°
b. 24°
c. 156°
d. 2340°
The first person to get all of them correct gets 10 points! Thanks!
2006-08-17 14:45:48 · 4 answers · asked by Anonymous in Science & Mathematics ➔ Mathematics
1.)
Dodecagon
Exterior Angles : 30°
Interior Angles : 150°
ANS : Yes
2.)
Decagon
Exterior Angles : 36°
Interior Angles : 144°
ANS : No
3.)
alpha : 360/n
alpha : 360/9
alpha : 40°
ANS : 40°
4.)
beta : 180(n - 2)/n
beta : 180(15 - 2)/15
beta : 12(13)
beta : 156°
2006-08-17 16:52:52 · answer #1 · answered by Sherman81 6 · 0⤊ 0⤋
I'll settle for 2.
You should do your own homework young lady, instead of cheating yourself out of an education!
2006-08-17 21:51:46 · answer #2 · answered by O'Shea 5 · 0⤊ 0⤋
True True c. c.
You need to learn your geometery
A 15-gon is called a pentadecagon
2006-08-17 22:25:36 · answer #3 · answered by Dr. Z. 3 · 0⤊ 0⤋
do your own homework.
2006-08-17 21:50:49 · answer #4 · answered by embigguns 5 · 0⤊ 0⤋