The perimeter of a semicircle protractor is 36cm find the diameter of the protractor pi equal 22/7
Start perimeter of a semicircle protractor is 36 cm find the diameter of the protractor Pi is equal to 22 divided by 7
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Perimeter of semicircle =36 cm
πr+2r =36
22/7 r+ 2r =36
22r +14r = 252
36 r = 252
r = 252/36
r = 7
d = 2x7=14cm
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