if the perimeter of a semi circular protractor is 14cm then find the perimeter
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if we have to find area the answer is below
πr = 14 cm
r = 14*7/22
r= 49/11 cm
area = πr^2/2
= 22/7 * 49/11 * 49/11 /2
= 343/11
= 31.17 cm^2
πr = 14 cm
r = 14*7/22
r= 49/11 cm
area = πr^2/2
= 22/7 * 49/11 * 49/11 /2
= 343/11
= 31.17 cm^2
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