Answer:
circumference= 2πr (formula)
r= d/2
d=12
r=6
π= 22/7
c= 2 X 22/7 X 6
c=37.7
C ≈ 37.7 cm
Explanation:
the circumference (C) of a circle is calculated as
C = πd ( d is the diameter )
given d = 12 cm , then
C = π × 12 ≈ 37.7 cm ( to the nearest tenth )
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