What is the perimeter of a semi circle ??

1.	What is the perimeter of a semi circle ??
Answer» Sorry pie ×r +2r I think.... 1/2 ×2πr... Ohh... Srry mistaken.. 1/2π(r) r.... Hey Rani what is abc a+b+c÷2 πr+ d I thought 2paiR÷2

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