Circumference of a Semicircle?

Answer

Circumference (C) of a circle = 2xpixr (2 times pi times r) where r is the radius and pi = 3.142. Since a semicircle is half a circle, the Circumference of a semicircle is therefore equal to half the Circumfernece of a circle, i.e. C of a semicircle= pi times r.
Q&A Related to "Circumference of a Semicircle?"
circumference or perimeter of the semi-circle = (diameter*pi)/2 + diameter.
http://wiki.answers.com/Q/What_is_the_circumferenc...
= pi x r + 2 x r = r (pi +2)
http://answers.yahoo.com/question/index?qid=200710...
Find the circumference of the whole circle and divide by two.C = 2╥r then divide by two Anonymous
http://www.blurtit.com/q4688015.html
The Length Of The Thick Semicircle is 15+30/pi=24.55 m. Anonymous
http://www.blurtit.com/q9470706.html
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