Question 482811


the surface area of a flat plate if the {{{diameter}}} of the plate is {{{10cm}}}

is equal to area of a circle of the {{{diameter=10cm}}}


{{{A=r^2(pi)}}}

{{{A=(10cm)^2(3.14)}}}

{{{A=100cm^2(3.14)}}}

{{{A=314cm^2}}}