the radius of a semi circle is 70 cm then its perimeter is? Choose the correct option.
A) 32.8	B) 32.4	C) 360	D) 32.2	E) 32.9
<gadget id="calculator">2 * pi * 70</gadget>
<output>140*pi = around 439.822972</output>

<gadget id="calculator">(140*pi) / 2</gadget>
<output>70*pi = around 219.911486</output>

<gadget id="calculator">70 * 2</gadget>
<output>140</output>

<gadget id="calculator">(70*pi) + 140</gadget>
<output>140 + 70*pi = around 359.911486</output>

<result>C</result>
the radius of a semi circle is 70 cm then its perimeter is?
add(divide(circumface(70), const_2), multiply(70, const_2))
"diameter = 140 cm 1 / 2 * 22 / 7 * 140 + 140 = 360 answer : c"