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Sagot :
Answer:
34.54 units
Step-by-step 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:
Answer and steps is in Picture.
Edits: Units should be units, not cm.
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