work out the perimeter of a semicircle with radius 3cm.give your answer in π form
Hey there, Guest!
So the perimeter of a circle is also called the circumference.
\(C=2\pi r\)
\(2\pi 3\)
\(6\pi \)
\(6\pi/2\)\(=\) 3pi cm
And there's your answer.
Hope this helped! :)
( ゚д゚)つ Bye