The radius of a semi circle is 6.3 cm then its perimeter is?	Pick one:
A) 35.4 cm
B) 32.4 cm
C) 32 cm
D) 30 cm
E) 35 cm
Explanation:   36/7 r = 6.3 = 32.4   ANSWER IS 32.4 cm
<result>B</result>
The radius of a semi circle is 6.3 cm then its perimeter is?