The radius of a semi circle is 70 cm then its perimeter is?	Select the correct option.
A) 32.8	B) 32.4	C) 360	D) 32.2	E) 32.9
Diameter = 140 cm   1/2 * 22/7 * 140 +140= 
<gadget id="calculator">1/2 * 22/7 * 140 +140</gadget>
<output>360</output>
360   Answer : 360
<result>C</result>
The radius of a semi circle is 70 cm then its perimeter is?