10. The area of a circle is is 49πcm^2. Its circumference is
O 7π
O 14π
O 21π
0 28π
Answers
Answered by
1
Answer:
area = 49π
mr2 =49π
r^2=49
r= 7
cicumfrancсe=2πr
=2×22/7x7
=44cm
or 44 π
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