Find the area of a circle with a diameter of d=1.4d = 1.4d=1.4 cm. (Use π≈3.14\pi \approx 3.14π≈3.14)
1.53861.53861.5386 cm2^22
6.15446.15446.1544 cm2^22
2.1982.1982.198 cm2^22
0.76930.76930.7693 cm2^22