The radius of a semi circle is 6.3 cm then its perimeter is?
Choose the correct choice from the following options
A) 12.9
B) 32.4
C) 32.1
D) 32.2
E) 32.7
36/7 r = 6.3   = 32.4   Answer: 32.4
<result>B</result>
The radius of a semi circle is 6.3 cm then its perimeter is?