Polygons Answers

1. a. 360°

b. (9 − 2) x 180 = 1260°

c. (i) 360/9 = 40°
(ii) 1260/9 = 140°

2. a. x = 103°
b. x = 43°
c. x = 108°
d. x = 105°

e. x = 71°
y = 141°
z = 139°

f. x = 45°

3. (i) 90°
(ii) 135°
(iii) 150°
(iv) 162°

4. 12 sides

5. 32 sides