if the perimeter of the semicircular protractor is 36cm find its diameter?
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πr +d = 36
πr + 2r = 36
22/7 r +2r =36
22r + 14r = 252
36r = 252
R = 7
Diameter = 14
πr + 2r = 36
22/7 r +2r =36
22r + 14r = 252
36r = 252
R = 7
Diameter = 14
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