The area of circle is 38.5 cm2.The circumference of circle is
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Step-by-step explanation:
area of circle is 22/7×r²
38.5=22/7×r²
r²=38.5×7/22
r²=12.25
r=3.5
circumference =2×22/7×r
=44/7×3.5=22cm
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