If the perimeter of a semi circular protractor is 108 cm than find its diameter
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Heya !!
Perimeter of semi circular protestor = 108
( πR + 2R ) = 108
R ( π + 2 ) = 108
R ( 22/7 + 2 ) = 108
R ( 22 + 14 ) = 108 × 7
R ( 36 ) = 756
R = 756/36
R = 21 cm.
Hence,
Radius ( R ) = 21 cm.
Perimeter of semi circular protestor = 108
( πR + 2R ) = 108
R ( π + 2 ) = 108
R ( 22/7 + 2 ) = 108
R ( 22 + 14 ) = 108 × 7
R ( 36 ) = 756
R = 756/36
R = 21 cm.
Hence,
Radius ( R ) = 21 cm.
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