=) sorry. but i do not know this. i hope somebody helps you out> =)
Answer:
51
Step-by-step explanation:
sum of exterior angles = 360
64 + 60 + 69 + 42 + x + x +23 = 360
2x + 258 = 360
2x = 360 - 258
2x = 102
x = 51
C=pi(d)
So d=7ft
Then pi(7ft)=21.98
