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nobita41
@nobita41
June 2021
2
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find perimeter of semicircle whose diameter is 20cm
Answers & Comments
pandukasam
Perimeter of a semi circle=πr
πd\2
Given diameter of circle =20cm
Perimeter=10πcm
12 votes
Thanks 24
pandukasam
Plz mark my answer as brainliest
deepikakvvk06
Perimeter of a circle = 2πr
diameter , d = 20 cm
Perimeter of a semi circle = 1/2 π × d + d.
= 1/2 × 3.14 × 20 +20
( π = 3.14 ) = 51 . 4 m
33 votes
Thanks 40
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Answers & Comments
πd\2
Given diameter of circle =20cm
Perimeter=10πcm
diameter , d = 20 cm
Perimeter of a semi circle = 1/2 π × d + d.
= 1/2 × 3.14 × 20 +20
( π = 3.14 ) = 51 . 4 m