find the perimeter of semicircle whose diameter is .a)14m
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attached question from dual nature of radiation and matter of jee mains 2020
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Diameter of the semicircular protractor = 14 cm
Diameter of the semicircular protractor = 14 cm.
Radius = 14/2 cm = 7 cm.
Perimeter of semicircle = πr + d.
Perimeter of semicircular protractor = 22/7 x 7 + 14.
= 22 + 14 = 36 cm.
The perimeter of the semicircular protractor is 36 cm.
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