Answer:
20
Step-by-step explanation:
Answer:
C) $90.48
Step-by-step explanation:
72.39*.2=14.478
72.39*.05=3.6195
14.478+3.6195=18.0975
18.0975+72.39=90.4875
Answer:
<h2>x = 60</h2>
Step-by-step explanation:
I hope it helps :)

Answer:
9
Step-by-step explanation:
Exterior sides = 180 - 140 = 40
number of sides = 360 / 40 = 9 sides