How to find area of circle in diameter. Q. Find the area of circle whose diameter is 28 cm. Share with your friends Share 0 Gargee answered this area of circle= 22/7*28/2*28/2 =22/7*14*14 =22*2*14 =44*14 =616 cm^2 3 View Full Answer Samyak Bhatt answered this pie r square -2 Gargee answered this DIAMETER = D/2 SO, AREA OF CIRCLE IN TERMS OF DIAMETERS WILL BE = PIE * (D/2)2 22/7 OR 3.14 * D/2 * D/2 2
