Mathematics
If the diameter of a semi-circular protractor is 14 cm, then find its perimeter.
Mensuration
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Answer
Diameter of semi-circular protractor = 14 cm
Radius = = 7 cm.
Perimeter of semi-circular protractor = πr + 2r = = 22 + 14 = 36 cm.
Hence, perimeter of semi-circular protractor = 36 cm.
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