the diameter of two silver discs are n the ratio 2:3.what will be the ratio of there areas
Answers
Answered by
4
let the diameters of two discs are D, d
ratio of diameters=2:3
D/d=2/3---(1)
ratio of areas= (πD²/4)/(πd²/4)
=D²/d²
=(D/d)²
=(2/3)²[from (1)
=4:9
ratio of diameters=2:3
D/d=2/3---(1)
ratio of areas= (πD²/4)/(πd²/4)
=D²/d²
=(D/d)²
=(2/3)²[from (1)
=4:9
Similar questions