Circumference of circle = 11.27π ft
so,
C = 2πr
or, 11.27π = 2πr
or, 11.27π/2π = r
so, r = 5.635 ft
now,
diameter = 2r
= 2 x 5.635
= 11.27 ft
Find the diameter then multiply by pi
Answer:

Step-by-step explanation:
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The Answer is C) 6 I believe
Let u = 5x+1. Then du = 5·dx, and your integral is
