(Diameter, Circumference And Area Of A Circle) Write A Program That Reads In The Radius Of A Circle An Integer And Prints The Circle's Diameter, Circumference And Area Based On The Choice Of Input Character (D - Diameter, C - Circumference And A Area). Use The Constant Value 3.14159 For T. Do All Calculations In Output Statements. 9. Define Algorithm.

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using c++ programming