the radius of a circle is 7cm what is the perimeter of the semi circle
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perimeter of the circle= 2πr
2×22/7×7
44 is the perimeter of the circle
perimeter of the semi circle= 44/2
= 22
2×22/7×7
44 is the perimeter of the circle
perimeter of the semi circle= 44/2
= 22
chakkaravarthy1968:
I think it is wrong
sorry
it's ok
Answered by
4
if r = 7 cm ,
then , perimeter of circle = 2πr
= 2× 22\7 × 7
= 44 cm.
perimeter of semi - circle = 44/2 = 22 cm.
then , perimeter of circle = 2πr
= 2× 22\7 × 7
= 44 cm.
perimeter of semi - circle = 44/2 = 22 cm.
This is correct
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