Question

find the diameter of a circle whose area is 13.8 6 m square

Answer 1

Answer:4.$\pi r^{2} =13.86 m^{2} \\22/7*r^{2} =13.86\\(13.86/22)*7=r^{2} \\r^{2} =4.41\\r=\sqrt{4.41} \\r=2.21\\D=2*2.1\\D=4.2$2 m

Step-by-step explanation: