Answer:
128.7mm
Step-by-step explanation:
Undecagon(perimeter)=11(number of sides) x measurement of sides
=11 x 11.7
=128.7
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Answers & Comments
Answer:
128.7mm
Step-by-step explanation:
Undecagon(perimeter)=11(number of sides) x measurement of sides
=11 x 11.7
=128.7