The perimeter of a semi circle is 180 cm then the radius is?
Choose the correct choice from the following answers: A) 22 B) 28 C) 35 D) 37 E) 13
36/7 r = 180   =&gt; r   = 35   Answer: 35
<result>C</result>
The perimeter of a semi circle is 180 cm then the radius is?