If the perimeter of a semi-circle is 36cm, then its diameter is A. 14 cm B. 32 cm C. 8 cm D. 23cm Answer Workspace Report Discuss Answer with explanation Answer: Option A Explanation Perimeter of semicircle= πr+2r perimeter is 36cm 36=22/7r+2r 36=22r+14r/7 36=36r/7 r=36×7/36 r=7 Diameter=2×7 =14 Workspace
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