If the diameter of a semi circle protractor is 14cm then find its perimeter
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22 is the perimeter of the protractor
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22 cm
radius of the semicircle is 14cm. therefore radius is 7cm.
now the circumference=1/2*2*22/7*7=22cm
radius of the semicircle is 14cm. therefore radius is 7cm.
now the circumference=1/2*2*22/7*7=22cm
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