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perimeter of a semi circle= Diameter x Pi (3.14... etc.)

then divide it by 2.

then add the value of the diameter to the answer.

there may be a quicker way but i just figured this way out using the how to find the circumference of a circle...and yea.

i hope this helps :/ ahaha

x0x0 gossip goat.

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Q: How do you calculate a perimeter of a semicircle?
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