Answer:
43.96 cm²
Step-by-step explanation:
the circumfrece of a circle is either given by C= 2 x π x r or C = πd
r = radius
d= diameter(radius x2)
so that will be C = 2 x 3.14 x 7 or 3.14 x 7 = 43.96 cm²
π can be either 3.14 or 22/7
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