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| 1. |
The perimeter of a semi circular protactor is 108 cm. Find the diameter of the protactor. |
| Answer» Perimeter of the protactor = 108cm -> πr=108-> 22/7 r =108->22 r = 108×7-> r= 756/22-> r=34.36 cm-> diameter = 2r =2×34.36 =68.72 cm | |