12.
10*10 is 100. 1200/100=12
Answer:
The Answer is 1
Step-by-step explanation:
EZ
2 1/2 hours
Divide 100 by 40 and you get 2.5
Length will be 173
X = 116
Total heptagon angle = 900
124 + 120 + 122 + 136 + 144 + 138 = 784
900 - 784 = 116