Perimeter of a quadrant of a circle of radius r
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Semi circle perimeter= πr+2rPerimeter of a quadrant= πr+2r/2
Sorry I think it\’s πr/2+2r
πr/2+2r
r/2(π+4)
πr+2r. I. Think
Pie r +2r/2
Perimeter =1/4*2 pie r =1/2 pie r