If the area of circle is 1520 sq cm then its circumference?
Pick.
A) 221
B) 138
C) 166
D) 116
E) 112
22/7 r2 = 1520 =&gt; r = 22   2 * 22/7 * 22 = 138   Answer: 138
<result>B</result>
If the area of circle is 1520 sq cm then its circumference?