Math, asked by poojakumaresh26, 1 year ago

where did the 2r come from?! ....

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Answered by PalaAdithyan

1

If you cut a circle in half,

The perimeter =

Pi r + 2r

As you also have to take into account the diameter at the bottom of the semi circle.

Please mark as brainiest if you can understand

PalaAdithyan: thank you!

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