w5wnifvpfw w5wnifvpfw 20-09-2022 Mathematics contestada The formula for the area of a circle is shown, where d is the diameter. A=πd2(exponent is the2) over 4 What is the equation for the diameter d of a circle in terms of the area A? a: d=4πA. b: d=A4π−−√ c: d=2Aπ−−√. d: d=4π−−√A2