Question

The area of circle is 38.5 cm2.The circumference of circle is

Answer 1

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

Answer 2

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