Question

The diameter if two silver discs are in the ratio 2:3.What will be the ratio of their areas?

Answer 1

ratio of area
(2x/2)^2pi/(3x/2)^2pi=4/9
please mark it as a brainliest answer

Answer 2

A1/A2= (Pi)r(sq.)/(pi)r(sq.)= r(sq.)/r(sq.)= (r/r)(sq.) =(2/3)(sq.) = 4/9
=A1:A2 = 4:9