if the diameter of a semicirular protactor is 14cm . then find the perimeter of the protactor
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perimeter = πd+2r so answer is 36 by substituting the values
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Diameter is 14
Radius is 7
So perimeter is pi r + diameter
22×7/7 + 14
= 22+14
=36 cm
Radius is 7
So perimeter is pi r + diameter
22×7/7 + 14
= 22+14
=36 cm
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