Answer:
34.54 units
Explanation:
circumference of an entire circle is 2πr but since it's a semicircle it's half the actual circumference so the length of arc becomes πr... and here π= 3.14 while r= 11 hence circumference= πr= 3.14×11= 34.54
Answer and steps is in Picture.
Edits: Units should be units, not cm.
3.4m questions
4.4m answers