Write your question here (Keep it simple and clear to get the best answer) Param cards are given circular disc of radius 7 cm in two equal parts what is the perimeter of each semi circle shaped disc
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radius =7
circumference (perimeter ) of disc=2πr
circumference of half disc =πr
22/7 x 7
22cm
circumference (perimeter ) of disc=2πr
circumference of half disc =πr
22/7 x 7
22cm
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